Harold E. Bedell - Publications

Affiliations: 
University of Houston, Houston, TX, United States 
Area:
Normal and abnormal eye movements
Website:
http://www.opt.uh.edu/faculty/hbedell/

194 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Bedell HE, Song S. High- and Low-contrast Letter Acuity during Image Motion in Normal Observers and Observers with Infantile Nystagmus Syndrome. Optometry and Vision Science : Official Publication of the American Academy of Optometry. PMID 33534376 DOI: 10.1097/OPX.0000000000001643  0.6
2021 Marten-Ellis SM, Bedell HE. A Comparison of Foveal and Peripheral Contour Interaction and Crowding. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 98: 41-50. PMID 33394930 DOI: 10.1097/OPX.0000000000001625  0.64
2020 Pluháček F, Musilová L, Bedell HE, Siderov J. Number of flankers influences foveal crowding and contour interaction differently. Vision Research. 179: 9-18. PMID 33271404 DOI: 10.1016/j.visres.2020.11.002  1
2020 Pluháček F, Bedell HE, Siderov J, Kratkoczká D. Technical Report: The Mechanism of Contour Interaction Differs in the Fovea and Periphery. Optometry and Vision Science : Official Publication of the American Academy of Optometry. PMID 33252543 DOI: 10.1097/OPX.0000000000001615  1
2019 Siderov J, Pluháček F, Bedell HE. Upturn of the contour-interaction function at small flanking bar-to-target separations. Vision Research. 167: 1-7. PMID 31877370 DOI: 10.1016/j.visres.2019.12.003  1
2019 Bedell HE, Siderov J, Pluháček F. Contrast Energy and Contour Interaction. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 96: 940-947. PMID 31834154 DOI: 10.1097/OPX.0000000000001457  1
2019 Gantz L, Sousou M, Gavrilov V, Bedell HE. Reading speed of patients with infantile nystagmus for text in different orientations. Vision Research. 155: 17-23. PMID 30590088 DOI: 10.1016/j.visres.2018.12.004  1
2018 Musilová L, Pluhácek F, Marten-Ellis SM, Bedell HE, Siderov J. Contour interaction under photopic and scotopic conditions. Journal of Vision. 18: 5. PMID 30029215 DOI: 10.1167/18.6.5  1
2018 Krishnan AK, Queener HM, Stevenson SB, Benoit JS, Bedell HE. Impact of simulated micro-scotomas on reading performance in central and peripheral retina. Experimental Eye Research. PMID 29959926 DOI: 10.1016/j.exer.2018.06.027  0.76
2018 Chen T, Su B, Chen Z, Tong J, Bedell H, Song Z, Zhang B. The associations among metamorphopsia, orientation discrimination threshold, and retinal layer thickness in patients with idiopathic epiretinal membrane. Current Eye Research. PMID 29804466 DOI: 10.1080/02713683.2018.1481515  1
2017 Mahadevan MS, Bedell HE, Stevenson SB. The influence of endogenous attention on contrast perception, contrast discrimination, and saccadic reaction time. Vision Research. PMID 29180106 DOI: 10.1016/j.visres.2017.11.005  0.76
2017 Fu H, Zhang B, Tong J, Bedell H, Zhang H, Yang Y, Nie C, Luo Y, Liu X. Relationships of orientation discrimination threshold and visual acuity with macular lesions in age-related macular degeneration. Plos One. 12: e0185070. PMID 28922378 DOI: 10.1371/journal.pone.0185070  1
2017 Huynh D, Tripathy SP, Bedell HE, Öğmen H. The reference frame for encoding and retention of motion depends on stimulus set size. Attention, Perception & Psychophysics. PMID 28092077 DOI: 10.3758/s13414-016-1258-5  0.96
2016 Pratt JD, Stevenson SB, Bedell HE. Scotoma Visibility and Reading Rate with Bilateral Central Scotomas. Optometry and Vision Science : Official Publication of the American Academy of Optometry. PMID 28030516 DOI: 10.1097/OPX.0000000000001042  0.76
2016 Gautier J, Bedell HE, Siderov J, Waugh SJ. Monocular microsaccades are visual-task related. Journal of Vision. 16: 37. PMID 26913629 DOI: 10.1167/16.3.37  1
2015 Huynh DL, Tripathy SP, Bedell HE, Ögmen H. Stream specificity and asymmetries in feature binding and content-addressable access in visual encoding and memory. Journal of Vision. 15: 14. PMID 26382005 DOI: 10.1167/15.13.14  1
2015 Bedell HE, Siderov J, Formankiewicz MA, Waugh SJ, Aydin S. Evidence for an eye-movement contribution to normal foveal crowding Optometry and Vision Science. 92: 237-245. PMID 25951481  1
2015 Bedell HE, Pratt JD, Krishnan A, Kisilevsky E, Brin TA, González EG, Steinbach MJ, Tarita-Nistor L. Repeatability of Nidek MP-1 Fixation Measurements in Patients With Bilateral Central Field Loss. Investigative Ophthalmology & Visual Science. 56: 2624-30. PMID 25788656 DOI: 10.1167/iovs.15-16511  1
2014 Tripathy SP, Cavanagh P, Bedell HE. Large crowding zones in peripheral vision for briefly presented stimuli. Journal of Vision. 14: 11. PMID 25550071 DOI: 10.1167/14.6.11  1
2014 Liu L, Wang YZ, Bedell HE. Visual-function tests for self-monitoring of age-related macular degeneration. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 91: 956-65. PMID 24987816 DOI: 10.1097/OPX.0000000000000324  1
2014 Pratt JD, Ohara JM, Woo SY, Bedell HE. Fixation locus in patients with bilateral central scotomas for targets that perceptually fill in. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 91: 312-21. PMID 24413271 DOI: 10.1097/OPX.0000000000000167  1
2014 Siderov J, Waugh SJ, Bedell HE. Foveal contour interaction on the edge: response to 'Letter-to-the-Editor' by Drs. Coates and Levi. Vision Research. 96: 145-8. PMID 24384404 DOI: 10.1016/j.visres.2013.12.012  1
2013 Öğmen H, Ekiz O, Huynh D, Bedell HE, Tripathy SP. Bottlenecks of motion processing during a visual glance: the leaky flask model. Plos One. 8: e83671. PMID 24391806 DOI: 10.1371/journal.pone.0083671  1
2013 Ravikumar A, Marsack JD, Bedell HE, Shi Y, Applegate RA. Change in visual acuity is well correlated with change in image-quality metrics for both normal and keratoconic wavefront errors. Journal of Vision. 13: 28. PMID 24281244 DOI: 10.1167/13.13.28  1
2013 Shi Y, Applegate RA, Wei X, Ravikumar A, Bedell HE. Registration tolerance of a custom correction to maintain visual acuity. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 90: 1370-84. PMID 24270593 DOI: 10.1097/OPX.0000000000000075  1
2013 Bedell HE, Siderov J, Waugh SJ, Zemanová R, Pluháček F, Musilová L. Contour interaction for foveal acuity targets at different luminances. Vision Research. 89: 90-5. PMID 23880125 DOI: 10.1016/j.visres.2013.07.009  1
2013 Shi Y, Queener HM, Marsack JD, Ravikumar A, Bedell HE, Applegate RA. Optimizing wavefront-guided corrections for highly aberrated eyes in the presence of registration uncertainty. Journal of Vision. 13. PMID 23757512 DOI: 10.1167/13.7.8  1
2013 Sridhar D, Bedell HE. Changes in perceived egocentric direction during symmetric vergence. Perception. 42: 127-37. PMID 23700952 DOI: 10.1068/p7280  1
2013 Bedell HE, Stevenson SB. Eye movement testing in clinical examination. Vision Research. 90: 32-7. PMID 23416869 DOI: 10.1016/j.visres.2013.02.001  1
2013 Moulder MJ, Qian J, Bedell HE. Motion deblurring during pursuit tracking improves spatial-interval acuity. Vision Research. 81: 6-11. PMID 23402872 DOI: 10.1016/j.visres.2013.01.004  1
2013 Siderov J, Waugh SJ, Bedell HE. Foveal contour interaction for low contrast acuity targets. Vision Research. 77: 10-3. PMID 23200866 DOI: 10.1016/j.visres.2012.11.008  1
2012 Bedell HE, Gantz L, Jackson DN. Perceived suprathreshold depth under conditions that elevate the stereothreshold. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 89: 1768-73. PMID 23160439 DOI: 10.1097/OPX.0b013e3182772dff  1
2012 Ukwade MT, Bedell HE. Spatial-bisection acuity in infantile nystagmus. Vision Research. 64: 1-6. PMID 22595744 DOI: 10.1016/j.visres.2012.05.004  1
2012 Sridhar D, Bedell HE. Binocular retinal image differences influence eye-position signals for perceived visual direction. Vision Research. 62: 220-7. PMID 22560955 DOI: 10.1016/j.visres.2012.04.011  1
2012 Jackson DN, Bedell HE. Vertical heterophoria and susceptibility to visually induced motion sickness. Strabismus. 20: 17-23. PMID 22390327 DOI: 10.3109/09273972.2011.650813  1
2012 Qian J, Adeseye SA, Stevenson SB, Patel SS, Bedell HE. D(max) for stereoscopic depth perception with simulated monovision correction. Seeing and Perceiving. 25: 399-408. PMID 21774871 DOI: 10.1163/187847511X579043  1
2011 Ravikumar A, Applegate RA, Shi Y, Bedell HE. Six just-noticeable differences in retinal image quality in 1 line of visual acuity: toward quantification of happy versus unhappy patients with 20/20 acuity. Journal of Cataract and Refractive Surgery. 37: 1523-9. PMID 21782097 DOI: 10.1016/j.jcrs.2011.02.034  1
2011 Gantz L, Bedell HE. Variation of stereothreshold with random-dot stereogram density. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 88: 1066-71. PMID 21642889 DOI: 10.1097/OPX.0b013e3182217487  1
2011 Sridhar D, Bedell HE. Relative contributions of the two eyes to perceived egocentric visual direction in normal binocular vision. Vision Research. 51: 1075-85. PMID 21371491 DOI: 10.1016/j.visres.2011.02.023  1
2011 Chung ST, LaFrance MW, Bedell HE. Influence of motion smear on visual acuity in simulated infantile nystagmus. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 88: 200-7. PMID 21200353 DOI: 10.1097/OPX.0b013e31820846dd  1
2010 Shooner C, Tripathy SP, Bedell HE, Ogmen H. High-capacity, transient retention of direction-of-motion information for multiple moving objects. Journal of Vision. 10: 8. PMID 20884557 DOI: 10.1167/10.6.8  1
2010 Bedell HE, Tong J, Aydin M. The perception of motion smear during eye and head movements. Vision Research. 50: 2692-701. PMID 20875444 DOI: 10.1016/j.visres.2010.09.025  1
2010 Gantz L, Bedell HE. Transfer of perceptual learning of depth discrimination between local and global stereograms. Vision Research. 50: 1891-9. PMID 20600234 DOI: 10.1016/j.visres.2010.06.011  1
2010 Wang J, Wyatt LM, Felius J, Stager DR, Stager DR, Birch EE, Bedell HE. Onset and progression of with-the-rule astigmatism in children with infantile nystagmus syndrome. Investigative Ophthalmology & Visual Science. 51: 594-601. PMID 20019374 DOI: 10.1167/iovs.09-3599  1
2010 KafaligöNül H, Patel SS, Öğmen H, Bedell HE, Purushothaman G. Perceptual asynchronies and the dual-channel differential latency hypothesis Space and Time in Perception and Action. 299-395. DOI: 10.1017/CBO9780511750540.022  1
2009 Tong J, Ramamurthy M, Patel SS, Vu-Yu LP, Bedell HE. The temporal impulse response function during smooth pursuit. Vision Research. 49: 2835-42. PMID 19706304 DOI: 10.1016/j.visres.2009.08.019  1
2009 Patel SS, Bedell HE, Tsang DK, Ukwade MT. Relationship between threshold and suprathreshold perception of position and stereoscopic depth. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 26: 847-61. PMID 19340259 DOI: 10.1364/JOSAA.26.000847  1
2009 Bedell HE, Tong J, Woo SY, House JR, Nguyen T. Orientation discrimination with macular changes associated with early AMD. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 86: 485-91. PMID 19319009 DOI: 10.1097/OPX.0b013e31819fa6e2  1
2009 Bedell HE, Tong J. Asymmetrical perception of motion smear in infantile nystagmus. Vision Research. 49: 262-7. PMID 19010344 DOI: 10.1016/j.visres.2008.10.019  1
2009 Hariharan-Vilupuru S, Bedell HE. The perceived visual direction of monocular objects in random-dot stereograms is influenced by perceived depth and allelotropia. Vision Research. 49: 190-201. PMID 18992271 DOI: 10.1016/j.visres.2008.10.009  1
2008 Tong J, Stevenson SB, Bedell HE. Signals of eye-muscle proprioception modulate perceived motion smear. Journal of Vision. 8: 7.1-6. PMID 19146308 DOI: 10.1167/8.14.7  1
2008 Tong J, Lien TC, Cisarik PM, Bedell HE. Motion sensitivity during fixation in straight-ahead and lateral eccentric gaze. Experimental Brain Research. 190: 189-200. PMID 18584163 DOI: 10.1007/s00221-008-1462-1  1
2008 Bedell HE, Ramamurthy M, Patel SS, Subramaniam S, Vu-Yu LP, Tong J. The temporal impulse response function in infantile nystagmus. Vision Research. 48: 1575-83. PMID 18550143 DOI: 10.1016/j.visres.2008.04.028  1
2008 Purushothaman G, Bedell HE, Öǧmen H, Patel SS. Neurophysiology of compensation for time delays: Visual prediction is off track Behavioral and Brain Sciences. 31: 214. DOI: 10.1017/S0140525X0800397X  1
2008 Öǧmen H, Patel SS, Purushothaman G, Bedell HE. Moving backward through perceptual compensation Behavioral and Brain Sciences. 31: 212-213. DOI: 10.1017/S0140525X08003968  1
2007 Ukwade MT, Harwerth RS, Bedell HE. Stereoscopic acuity, observation distance and fixation disparity: a commentary on 'Stereoscopic acuity and observation distance' by Bradshaw and Glennerster (2006). Spatial Vision. 20: 489-92. PMID 17716529 DOI: 10.1163/156856807781503640  1
2007 Tong J, Aydin M, Bedell HE. Direction-of-motion discrimination is facilitated by visible motion smear. Perception & Psychophysics. 69: 48-55. PMID 17515215  1
2007 Tong J, Aydin M, Bedell HE. Direction and extent of perceived motion smear during pursuit eye movement. Vision Research. 47: 1011-9. PMID 17239420 DOI: 10.1016/j.visres.2006.12.002  1
2007 Chung ST, Patel SS, Bedell HE, Yilmaz O. Spatial and temporal properties of the illusory motion-induced position shift for drifting stimuli. Vision Research. 47: 231-43. PMID 17190608 DOI: 10.1016/j.visres.2006.10.008  1
2006 Hanson KS, Bedell HE, White JM, Ukwade MT. Distance and near visual acuity in infantile nystagmus. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 83: 823-9. PMID 17106409 DOI: 10.1097/01.opx.0000238650.33150.73  1
2006 Tong J, Patel SS, Bedell HE. The attenuation of perceived motion smear during combined eye and head movements. Vision Research. 46: 4387-97. PMID 17046046 DOI: 10.1016/j.visres.2006.08.034  1
2006 Woo S, Bedell HE. Beating the beat: reading can be faster than the frequency of eye movements in persons with congenital nystagmus. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 83: 559-71. PMID 16909075 DOI: 10.1097/01.opx.0000230272.10471.03  1
2006 Bedell HE. Visual and perceptual consequences of congenital nystagmus. Seminars in Ophthalmology. 21: 91-5. PMID 16702076 DOI: 10.1080/08820530600614181  1
2006 Patel SS, Bedell HE, Sampat P. Pooling signals from vertically and non-vertically orientation-tuned disparity mechanisms in human stereopsis. Vision Research. 46: 1-13. PMID 16129469 DOI: 10.1016/j.visres.2005.07.011  1
2006 Wang M, Tong J, Bedell HE. Physiologic hyperphoria and the dorsal light reflex in humans with normal binocular vision: Reply to Brodsky & Van Rijn [2] Strabismus. 14: 171-174. DOI: 10.1080/09273970600896927  1
2006 Fotowat H, Öǧmen H, Bedell HE, Breitmeyer BG. Probing Oscillatory Visual Dynamics at the Perceptual Level Handbook of Neural Engineering. 615-625. DOI: 10.1002/9780470068298.ch38  1
2005 Wang M, Bedell HE. Asymmetrical vertical phorias in normal subjects: the influence of unbalanced illumination. Strabismus. 13: 123-8. PMID 16251141 DOI: 10.1080/09273970500216465  1
2005 Bedell HE, Patel SS. Attenuation of perceived motion smear during the vestibulo-ocular reflex. Vision Research. 45: 2191-200. PMID 15845249 DOI: 10.1016/j.visres.2005.01.032  1
2005 Tong J, Patel SS, Bedell HE. Asymmetry of perceived motion smear during head and eye movements: evidence for a dichotomous neural categorization of retinal image motion. Vision Research. 45: 1519-24. PMID 15781070 DOI: 10.1016/j.visres.2004.12.004  1
2005 Ramamurthy M, Bedell HE, Patel SS. Stereothresholds for moving line stimuli for a range of velocities. Vision Research. 45: 789-99. PMID 15639505 DOI: 10.1016/j.visres.2004.05.028  1
2004 Oğmen H, Patel SS, Bedell HE, Camuz K. Differential latencies and the dynamics of the position computation process for moving targets, assessed with the flash-lag effect. Vision Research. 44: 2109-28. PMID 15183678 DOI: 10.1016/j.visres.2004.04.003  1
2004 Bedell HE, Chung ST, Patel SS. Attenuation of perceived motion smear during vergence and pursuit tracking. Vision Research. 44: 895-902. PMID 14992833 DOI: 10.1016/j.visres.2003.11.006  1
2003 Purushothaman G, Oğmen H, Bedell HE. Suprathreshold intrinsic dynamics of the human visual system. Neural Computation. 15: 2883-908. PMID 14629872 DOI: 10.1162/089976603322518786  1
2003 Patel SS, Ukwade MT, Stevenson SB, Bedell HE, Sampath V, Ogmen H. Stereoscopic depth perception from oblique phase disparities. Vision Research. 43: 2479-92. PMID 13129536 DOI: 10.1016/S0042-6989(03)00464-4  1
2003 Bedell HE, Chung ST, Ogmen H, Patel SS. Color and motion: which is the tortoise and which is the hare? Vision Research. 43: 2403-12. PMID 12972391 DOI: 10.1016/S0042-6989(03)00436-X  1
2003 Patel SS, Ukwade MT, Bedell HE, Sampath V. Near stereothresholds measured with random-dot stereograms using phase disparities. Optometry (St. Louis, Mo.). 74: 453-62. PMID 12877278  1
2003 Chung ST, Bedell HE. Velocity dependence of Vernier and letter acuity for band-pass filtered moving stimuli. Vision Research. 43: 669-82. PMID 12604103 DOI: 10.1016/S0042-6989(02)00628-4  1
2003 Ukwade MT, Bedell HE, Harwerth RS. Stereothresholds with simulated vergence variability and constant error. Vision Research. 43: 195-204. PMID 12536141 DOI: 10.1016/S0042-6989(02)00409-1  1
2003 Ukwade MT, Bedell HE, Harwerth RS. Stereopsis is perturbed by vergence error. Vision Research. 43: 181-93. PMID 12536140 DOI: 10.1016/S0042-6989(02)00408-X  1
2003 Patel SS, Bedell HE. Perceived depth from veridical and aliased binocular phase disparities in a random-dot (RD) stimulus Journal of Vision. 3: 465a. DOI: 10.1167/3.9.465  1
2003 Ogmen H, Camuz K, Patel SS, Bedell HE. Transient and steady-state phases of position computation for a moving target Journal of Vision. 3: 393a. DOI: 10.1167/3.9.393  1
2002 Ukwade MT, Bedell HE, White JM. Orientation discrimination and variability of torsional eye position in congenital nystagmus. Vision Research. 42: 2395-407. PMID 12350426 DOI: 10.1016/S0042-6989(02)00199-2  1
2002 Purushothaman G, Lacassagne D, Bedell HE, Oğmen H. Effect of exposure duration, contrast and base blur on coding and discrimination of edges. Spatial Vision. 15: 341-76. PMID 12116994 DOI: 10.1163/15685680260174074  1
2002 Sampath V, Bedell HE. Distribution of refractive errors in albinos and persons with idiopathic congenital nystagmus. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 79: 292-9. PMID 12035986  1
2001 Bedell HE, Yang J. The attenuation of perceived image smear during saccades. Vision Research. 41: 521-8. PMID 11166054 DOI: 10.1016/S0042-6989(00)00266-2  1
2001 Visco FE, Stevenson SB, Bedell HE. Saccades alter perceived duration of full field decrement flashes Journal of Vision. 1: 223a. DOI: 10.1167/1.3.223  1
2000 Patel SS, Ogmen H, Bedell HE, Sampath V. Flash-lag effect: differential latency, not postdiction. Science (New York, N.Y.). 290: 1051. PMID 11184992  1
2000 Bedell HE. Perception of a clear and stable visual world with congenital nystagmus. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 77: 573-81. PMID 11138830  1
2000 Akutsu H, Bedell HE, Patel SS. Recognition thresholds for letters with simulated dioptric blur. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 77: 524-30. PMID 11100890  1
2000 Purushothaman G, Oğmen H, Bedell HE. Gamma-range oscillations in backward-masking functions and their putative neural correlates. Psychological Review. 107: 556-77. PMID 10941280  1
2000 Aitsebaomo AP, Bedell HE. Saccadic and psychophysical discrimination of double targets. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 77: 321-30. PMID 10879789  1
2000 Bedell HE, Chung ST, Patel SS. Elevation of Vernier thresholds during image motion depends on target configuration. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 17: 947-54. PMID 10850464 DOI: 10.1364/JOSAA.17.000947  1
2000 Reich LN, Bedell HE. Relative legibility and confusions of letter acuity targets in the peripheral and central retina. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 77: 270-5. PMID 10831217  1
2000 Beauregard D, Lewis J, Piccolo M, Bedell H. Diagnosis of glaucoma using telemedicine - The effect of compression on the evaluation of optic nerve head cup-disc ratio Journal of Telemedicine and Telecare. 6: S1-123-S1-125. PMID 10793995  1
2000 Sampath V, Bedell H. Distributions of refractive error in albinos and persons with idiopathic congenital nystagmus Optometry and Vision Science. 77: 187. DOI: 10.1097/00006324-200012001-00312  1
2000 Patel SS, Ukwade MT, Bedell HE, Sampath V. Near stereothresholds measured with sub-pixel resolution using random-dot stimuli Optometry and Vision Science. 77: 270.  1
1999 Ukwade MT, Bedell HE. Stereothresholds in persons wtih congenital nystagmus and in normal observers during comparable retinal image motion. Vision Research. 39: 2963-73. PMID 10492822 DOI: 10.1016/S0042-6989(99)00050-4  1
1999 Patel SS, Bedell HE, Ukwade MT. Vernier judgments in the absence of regular shape information. Vision Research. 39: 2349-60. PMID 10367056 DOI: 10.1016/S0042-6989(98)00265-X  1
1999 Siderov J, Harwerth RS, Bedell HE. Stereopsis, cyclovergence and the backwards tilt of the vertical horopter. Vision Research. 39: 1347-57. PMID 10343847 DOI: 10.1016/S0042-6989(98)00252-1  1
1999 Bedell HE, Patel S, Chung ST. Comparison of letter and Vernier acuities with dioptric and diffusive blur. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 76: 115-20. PMID 10082058 DOI: 10.1097/00006324-199902000-00019  1
1998 Chen Y, Bedell HE, Frishman LJ. The precision of velocity discrimination across spatial frequency. Perception & Psychophysics. 60: 1329-36. PMID 9865074  1
1998 Purushothaman G, Patel SS, Bedell HE, Ogmen H. Moving ahead through differential visual latency. Nature. 396: 424. PMID 9853748 DOI: 10.1038/24766  1
1998 Gall R, Wick B, Bedell H. Vergence facility: Establishing clinical utility Optometry and Vision Science. 75: 731-742. PMID 9798213 DOI: 10.1097/00006324-199810000-00018  1
1998 Gall R, Wick B, Bedell H. Vergence facility and target type Optometry and Vision Science. 75: 727-730. PMID 9798212 DOI: 10.1097/00006324-199810000-00017  1
1998 Purushothaman G, Oğmen H, Chen S, Bedell HE. Motion deblurring in a neural network model of retino-cortical dynamics. Vision Research. 38: 1827-42. PMID 9797961 DOI: 10.1016/S0042-6989(97)00350-7  1
1998 Chung ST, Bedell HE. Vernier and letter acuities for low-pass filtered moving stimuli. Vision Research. 38: 1967-82. PMID 9797943 DOI: 10.1016/S0042-6989(97)00327-1  1
1998 Chen Y, Bedell HE, Frishman LJ, Levi DM. Stimulus uncertainty affects velocity discrimination. Vision Research. 38: 1265-72. PMID 9666994 DOI: 10.1016/S0042-6989(97)00282-4  1
1997 Chung ST, Bedell HE. Congenital nystagmus image motion: influence on visual acuity at different luminances. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 74: 266-72. PMID 9219284  1
1997 Bedell HE, Chung STL, LaFrance MW. The influence of motion smear on visual acuity in simulated congenital nystagmus Investigative Ophthalmology and Visual Science. 38: S651.  1
1997 Patel SS, Bedell HE, Ukwade MT. Vernier judgments for targets of arbitrary shape Investigative Ophthalmology and Visual Science. 38: S634.  1
1996 Chung ST, Bedell HE. Velocity criteria for "foveation periods" determined from image motions simulating congenital nystagmus. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 73: 92-103. PMID 8927317 DOI: 10.1097/00006324-199602000-00004  1
1996 Leung V, Wick B, Bedell HE. Multifaceted treatment of congenital nystagmus: a report of 6 cases. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 73: 114-24. PMID 8927312 DOI: 10.1097/00006324-199602000-00007  1
1996 Chung ST, Levi DM, Bedell HE. Vernier in motion: what accounts for the threshold elevation? Vision Research. 36: 2395-410. PMID 8917803 DOI: 10.1016/0042-6989(95)00342-8  1
1996 Chung ST, Levi DM, Bedell HE. Ricco's diameter for line detection increases with stimulus velocity. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 13: 2129-34. PMID 8888605 DOI: 10.1364/josaa.13.002129  1
1996 Chen Y, Bedell HE, Frishman LJ. Temporal-contrast discrimination and its neural correlates. Perception. 25: 505-22. PMID 8865294  1
1996 Bedell HE, Lott LA. Suppression of motion-produced smear during smooth pursuit eye movements. Current Biology : Cb. 6: 1032-4. PMID 8805336 DOI: 10.1016/S0960-9822(02)00650-4  1
1996 Bedell HE, Bollenbacher MA. Perception of motion smear in normal observers and in persons with congenital nystagmus. Investigative Ophthalmology & Visual Science. 37: 188-95. PMID 8550322  1
1996 Chen Y, Bedell HE, Frishman LJ, Levi DM. Motion mechanisms tuned for speed but not spatial frequency: Evidence from speed discrimination using an uncertainty paradigm Investigative Ophthalmology and Visual Science. 37: S748.  1
1996 Prakash RV, Breitmeyer B, Bedell HE. Different saccadic reaction times to the onset vs. phase reversal of a low frequency sine wave grating Investigative Ophthalmology and Visual Science. 37: S715.  1
1996 Chung STL, Bedell HE. Moving Vernier with band-pass filtered stimuli Investigative Ophthalmology and Visual Science. 37: S734.  1
1996 Lott LA, Bedell HE. Smooth pursuit eye movements diminish motion-induced smear Investigative Ophthalmology and Visual Science. 37: S718.  1
1996 Bedell HE, Lott LA, LaFrance MW. Motion adaptation in normal observers produced by image motion simulating congenital nystagmus Investigative Ophthalmology and Visual Science. 37: S228.  1
1996 Lacassagne D, Ögmen H, Bedell HE. Perception and discrimination of edge blur: Psychophysical and modeling analyses Investigative Ophthalmology and Visual Science. 37: S732.  1
1995 Chung ST, Bedell HE. "Dumping" of rebound nystagmus and optokinetic afternystagmus in humans. Experimental Brain Research. 107: 306-14. PMID 8773248 DOI: 10.1007/BF00230050  1
1995 Younes M, Boltz R, Leach NE, Bedell H. Short- and long-term repeatability of visioptic alcon eyemap (visioptic EH-270) corneal topographer on normal human corneas Optometry and Vision Science. 72: 838-844. PMID 8587773 DOI: 10.1097/00006324-199511000-00010  1
1995 Chung ST, Bedell HE. Effect of retinal image motion on visual acuity and contour interaction in congenital nystagmus. Vision Research. 35: 3071-82. PMID 8533343 DOI: 10.1016/0042-6989(95)00090-M  1
1995 Wensveen JM, Bedell HE, Loshin DS. Reading rates with artificial central scotomata with and without spatial remapping of print. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 72: 100-14. PMID 7753524  1
1995 Bedell HE, Johnson CA. The effect of flicker on foveal and peripheral thresholds for oscillatory motion. Vision Research. 35: 2179-89. PMID 7667930 DOI: 10.1016/0042-6989(94)00304-1  1
1995 Chen S, Bedell HE, Oğmen H. A target in real motion appears blurred in the absence of other proximal moving targets. Vision Research. 35: 2315-28. PMID 7571467 DOI: 10.1016/0042-6989(94)00308-9  1
1993 Bedell HE, Currie DC. Extraretinal signals for congenital nystagmus. Investigative Ophthalmology & Visual Science. 34: 2325-32. PMID 8505214  1
1993 Ukwade MT, Bedell HE. Stability of oculomotor fixation as a function of target contrast and blur. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 70: 123-6. PMID 8446375  1
1993 Abel LA, Dell'Osso LF, Waugh SJ, Bedell HE. Congenital nystagmus mechanism [2] Investigative Ophthalmology and Visual Science. 34: 282-284. PMID 8440583  1
1993 Currie DC, Bedell HE, Song S. Visual acuity for optotypes with image motions simulating congenital nystagmus Clinical Vision Sciences. 8: 73-84.  1
1992 Waugh SJ, Bedell HE. Sensitivity to temporal luminance modulation in congenital nystagmus. Investigative Ophthalmology & Visual Science. 33: 2316-24. PMID 1607243  1
1992 Bedell HE. Sensitivity to oscillatory target motion in congenital nystagmus. Investigative Ophthalmology & Visual Science. 33: 1811-21. PMID 1559781  1
1992 Aitsebaomo AP, Bedell HE. Psychophysical and saccadic information about direction for briefly presented visual targets. Vision Research. 32: 1729-37. PMID 1455744 DOI: 10.1016/0042-6989(92)90165-F  1
1992 Ukwade MT, Bedell HE. Variation of congenital nystagmus with viewing distance. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 69: 976-85. PMID 1300523 DOI: 10.1097/00006324-199212000-00012  1
1992 Wick B, Bedell HE. Rapid- and slow-velocity vergence eye movements. Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists). 12: 420-4. PMID 1293528 DOI: 10.1111/j.1475-1313.1992.tb00310.x  1
1991 Bedell HE, Loshin DS. Interrelations between measures of visual acuity and parameters of eye movement in congenital nystagmus. Investigative Ophthalmology & Visual Science. 32: 416-21. PMID 1993594  1
1990 White JM, Bedell HE. The oculomotor reference in humans with bilateral macular disease. Investigative Ophthalmology & Visual Science. 31: 1149-61. PMID 2354915  1
1990 Wolf KS, Bedell HE, Pedersen SB. Relations between accommodation and vergence in darkness. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 67: 89-93. PMID 2336261  1
1990 Bedell HE, Yap YL, Flom MC. Fixational drift and nasal-temporal pursuit asymmetries in strabismic amblyopes. Investigative Ophthalmology & Visual Science. 31: 968-76. PMID 2335458  1
1990 Joubert C, Bedell HE. Proximal vergence and perceived distance. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 67: 29-35. PMID 2308748  1
1990 Bedell HE. Directionalization of visual targets during involuntary eye movement. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 67: 583-9. PMID 2216323  1
1989 Mapp AP, Barbeito R, Bedell HE, Ono H. Visual localization of briefly presented peripheral targets. Biological Cybernetics. 60: 261-5. PMID 2706280 DOI: 10.1007/BF00204123  1
1989 Wick B, Bedell HE. Magnitude and velocity of proximal vergence. Investigative Ophthalmology & Visual Science. 30: 755-60. PMID 2703318  1
1989 Herse PR, Bedell HE. Contrast sensitivity for letter and grating targets under various stimulus conditions. Optometry and Vision Science : Official Publication of the American Academy of Optometry. 66: 774-81. PMID 2616138  1
1989 Bedell HE, Klopfenstein JF, Yuan NY. Extraretinal information about eye position during involuntary eye movement: optokinetic afternystagmus. Perception & Psychophysics. 46: 579-86. PMID 2587187 DOI: 10.3758/BF03208155  1
1989 Bedell HE, White JM, Abplanalp PL. Variability of foveations in congenital nystagmus Clinical Vision Sciences. 4: 247-252.  1
1988 Moidell BG, Bedell HE. Changes in oculocentric visual direction induced by the recalibration of saccades. Vision Research. 28: 329-36. PMID 3414020 DOI: 10.1016/0042-6989(88)90161-7  1
1988 Barbeito R, Bedell HE, Flom MC. Does impaired contrast sensitivity explain the spatial uncertainty of amblyopes? Investigative Ophthalmology & Visual Science. 29: 323-6. PMID 3338890  1
1988 Bedell HE, Mc Cormack GL. Report of section on visual science at the 1987 meeting of the american academy of optometry Optometry and Vision Science. 65: 976-981.  1
1987 Ogboso YU, Bedell HE. Magnitude of lateral chromatic aberration across the retina of the human eye. Journal of the Optical Society of America. a, Optics and Image Science. 4: 1666-72. PMID 3625350  1
1987 Barbeito R, Bedell HE, Flom MC, Simpson TL. Effects of luminance on the visual acuity of strabismic and anisometropic amblyopes and optically blurred normals. Vision Research. 27: 1543-9. PMID 3445488 DOI: 10.1016/0042-6989(87)90163-5  1
1987 Bedell HE, Abplanalp PL, McGuire CA. Oculomotor responses to target displacements by patients with congenital idiopathic nystagmus and nystagmus associated with albinism Clinical Vision Sciences. 2: 21-31.  1
1986 Bedell HE. Some constraints on peripheral visual functioning. Introduction. American Journal of Optometry and Physiological Optics. 63: 91-3. PMID 3953763  1
1986 Simpson TL, Barbeito R, Bedell HE. The effect of optical blur on visual acuity for targets of different luminances. Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists). 6: 279-81. PMID 3822467  1
1986 Yap YL, Bedell HE, Abplanalp PL. Blind spot "fixation" in normal eyes: implications for eccentric viewing in bilateral macular disease. American Journal of Optometry and Physiological Optics. 63: 259-64. PMID 3706480  1
1986 Yap YL, Bedell HE, Abplanalp PL. Blind spot “fixation” in normal eyes: Implications for eccentric viewing in bilateral macular disease Optometry and Vision Science. 63: 259-264.  1
1985 Bedell HE, Johnson MH, Barbeito R. Precision and accuracy of oculocentric direction for targets of different luminances. Perception & Psychophysics. 38: 135-40. PMID 4088805 DOI: 10.3758/BF03198850  1
1985 Horner DG, Paul AD, Katz B, Bedell HE. Variations in the slope of the psychometric acuity function with acuity threshold and scale. American Journal of Optometry and Physiological Optics. 62: 895-900. PMID 4083332  1
1985 Bedell HE, Flom MC. Bilateral oculomotor abnormalities in strabismic amblyopes: evidence for a common central mechanism. Documenta Ophthalmologica. Advances in Ophthalmology. 59: 309-21. PMID 4028921 DOI: 10.1007/BF00159166  1
1985 Bedell HE, Flom MC, Barbeito R. Spatial aberrations and acuity in strabismus and amblyopia. Investigative Ophthalmology & Visual Science. 26: 909-16. PMID 4008207  1
1985 Flom MC, Bedell HE. Identifying amblyopia using associated conditions, acuity, and nonacuity features. American Journal of Optometry and Physiological Optics. 62: 153-60. PMID 3985107  1
1984 Bedell HE, Johnson CA. The perceived size of targets in the peripheral and central visual fields. Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists). 4: 123-31. PMID 6728473  1
1984 Katz LM, Levi DM, Bedell HE. Central and peripheral contrast sensitivity in amblyopia with varying field size. Documenta Ophthalmologica. Advances in Ophthalmology. 58: 351-73. PMID 6525936 DOI: 10.1007/BF00679799  1
1984 Bedell HE, Barbeito R, Aitsebaomo PA. The precision of oculocentric direction and its role in the stability of fixation. Vision Research. 24: 1157-61. PMID 6523738 DOI: 10.1016/0042-6989(84)90170-6  1
1983 Bedell HE, Flom MC. Normal and abnormal space perception. American Journal of Optometry and Physiological Optics. 60: 426-35. PMID 6881273  1
1982 Bedell HE. Symmetry of acuity profiles in esotropic amblyopic eyes. Human Neurobiology. 1: 221-4. PMID 7185794  1
1982 Bedell HE, Katz LM. On the necessity of correcting peripheral target luminance for pupillary area. American Journal of Optometry and Physiological Optics. 59: 767-9. PMID 7148970  1
1982 Enoch JM, Eisner A, Bedell HE. Further evaluation of an apparent failure of the photoreceptor alignment mechanism in a human observer. Archives of Ophthalmology (Chicago, Ill. : 1960). 100: 1280-1. PMID 7103811 DOI: 10.1001/archopht.1982.01030040258011  1
1981 Bedell HE, Flom MC. Monocular spatial distortion in strabismic amblyopia Investigative Ophthalmology and Visual Science. 20: 263-268. PMID 7461929  1
1981 Bedell HE, Enoch JM, Fitzgerald CR. Photoreceptor orientation. A graded disturbance bordering a region of choroidal atrophy. Archives of Ophthalmology (Chicago, Ill. : 1960). 99: 1841-4. PMID 7295138 DOI: 10.1001/archopht.1981.03930020715018  1
1981 Genter CR, Kandel GL, Bedell HE. The minimum angle of resolution vs angle of regard function as measured with different targets. Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists). 1: 3-12. PMID 7041051  1
1980 Bedell HE, Enoch JM. An apparent failure of the photoreceptor alignment mechanism in a human observer. Archives of Ophthalmology (Chicago, Ill. : 1960). 98: 2023-6. PMID 7436838 DOI: 10.1001/archopht.1980.01020040875018  1
1980 Bedell HE. A functional test of foveal fixation based upon differential cone directional sensitivity. Vision Research. 20: 557-60. PMID 7434592 DOI: 10.1016/0042-6989(80)90133-9  1
1980 Flom MC, Kirschen DG, Bedell HE. Control of unsteady, eccentric fixation in amblyopic eyes by auditory feedback of eye position. Investigative Ophthalmology & Visual Science. 19: 1371-81. PMID 7429772  1
1980 Kandel GL, Grattan PE, Bedell HE. Are the dominant eyes of amblyopes normal? American Journal of Optometry and Physiological Optics. 57: 1-6. PMID 7377273  1
1980 Bedell HE. Central and peripheral retinal photoreceptor orientation in amblyopic eyes as assessed by the psychophysical Stiles-Crawford function. Investigative Ophthalmology & Visual Science. 19: 49-59. PMID 7350134  1
1980 Flom MC, Kirschen DG, Bedell HE. Acuity in eccentrically fixating amblyopes: In reply Optometry and Vision Science. 57: 191-194.  1
1979 Enoch JM, Campos EC, Bedell HE. Visual resolution in a patient exhibiting a visual fatigue or saturation-like effect: probable multiple sclerosis. Archives of Ophthalmology (Chicago, Ill. : 1960). 97: 76-8. PMID 758895 DOI: 10.1001/archopht.1979.01020010016003  1
1979 Enoch JM, Bedell HE. Specification of the directionality of the Stiles-Crawford function. American Journal of Optometry and Physiological Optics. 56: 341-4. PMID 532806  1
1979 Bedell HE, Enoch JM. A study of the Stiles-Crawford (S-C) function at 35 degrees in the temporal field and the stability of the foveal S-C function peak over time. Journal of the Optical Society of America. 69: 435-42. PMID 458510  1
1979 Enoch JM, Bedell HE, Kaufman HE. Interferometric visual acuity testing in anterior segment disease. Archives of Ophthalmology (Chicago, Ill. : 1960). 97: 1916-9. PMID 384983 DOI: 10.1001/archopht.1979.01020020364017  1
1979 Fitzgerald CR, Enoch JM, Campos EC, Bedell HE. Comparison of visual function studies in two cases of senile macular degeneration. Albrecht Von Graefes Archiv FüR Klinische Und Experimentelle Ophthalmologie. Albrecht Von Graefe's Archive For Clinical and Experimental Ophthalmology. 210: 79-91. PMID 312039 DOI: 10.1007/BF00409994  1
1979 Enoch JM, Bedell HE. Specification of the directionality of the stiles crawford function Optometry and Vision Science. 56: 341-344.  1
1978 Campos EC, Bedell HE, Enoch JM, Fitzgerald CR. Retinal receptive field-like properties and Stiles-Crawford effect in a patient with a traumatic choroidal rupture. Documenta Ophthalmologica. Advances in Ophthalmology. 45: 381-95. PMID 688854 DOI: 10.1007/BF00161673  1
1978 Enoch JM, Bedell HE, Campos EC. Local variations in rod receptor orientation. Vision Research. 18: 123-4. PMID 664271 DOI: 10.1016/0042-6989(78)90089-5  1
1978 Campos EC, Bedell HE. Critical flicker-fusion frequency as an indicator of human receptive field-like properties. Investigative Ophthalmology & Visual Science. 17: 533-8. PMID 659074  1
1977 Kandel GL, Grattan PE, Bedell HE. Monocular fixation and acuity in amblyopic and normal eyes. American Journal of Optometry and Physiological Optics. 54: 598-608. PMID 596410  1
1976 Bedell HE, Kandel GL. Experimentally induced variations in the dark adaptation functions of a severe strabismic amblyope. Documenta Ophthalmologica. Advances in Ophthalmology. 41: 129-56. PMID 1269368 DOI: 10.1007/BF00144714  1
1976 Kandel GL, Bedell HE. Eccentricity of the scotopic fovea about a photopic point as revealed by acuity contours. Vision Research. 16: 357-62. PMID 941411 DOI: 10.1016/0042-6989(76)90196-6  1
1976 Kandel GL, Bedell HE, Fallon JH. Near final scotopic thresholds in normal eyes and in the dominant eyes of amblyopes Ophthalmic Research. 8: 425-433.  1
1972 Kandel GL, Bedell HE. A precise method of measuring fixational eccentricity using the Maxwell spot centroid Behavior Research Methods & Instrumentation. 4: 295-296. DOI: 10.3758/BF03207308  1
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