Normal & Abnormal Visual Development

Development of Spatial Vision: Spatial Summation, Cortical Acuity & Contrast Sensitivity

Hamer RD, Mayer DL. (1994) The development of spatial vision. In: Principles & Practice of Ophthalmology, Chapter 42, Albert DM, Jakobiec FA (Eds.), W.B. Saunders Co., Philadelphia, PA., pp. 578-608.

Hansen RM, Hamer RD, Fulton AB. The effect of light adaptation on scotopic spatial summation in 10-week-old infants. Vision Res. 1992 Feb;32(2):387-92. PubMedAbstr

Norcia AM, Tyler CW, Hamer RD. Development of contrast sensitivity in the human infant. Vision Res. 1990;30(10):1475-86. PubMedAbstr

Hamer RD, Norcia AM, Tyler CW, Hsu-Winges C. The development of monocular and binocular VEP acuity. Vision Res. 1989;29(4):397-408. PubMedAbstr

Norcia AM, Tyler CW, Hamer RD, Wesemann W. Measurement of spatial contrast sensitivity with the swept contrast VEP. Vision Res. 1989;29(5):627-37. PubMedAbstr

Norcia AM, Tyler CW, Hamer RD. High visual contrast sensitivity in the young human infant. Invest Ophthalmol Vis Sci. 1988 Jan;29(1):44-9. PubMedAbstr

Hamer RD, Schneck ME. Spatial summation in dark-adapted human infants. Vision Res. 1984;24(1):77-85. PubMedAbstr

Schneck ME, Hamer RD, Packer OS, Teller DY. Area-threshold relations at controlled retinal locations in 1-month-old infants. Vision Res. 1984;24(12):1753-63. PubMedAbstr

Development of Normal & Abnormal Cortical Motion Processing

Norcia AM, Hamer RD, Jampolsky A, Orel-Bixler D. Plasticity of human motion processing mechanisms following surgery for infantile esotropia. Vision Res. 1995 Dec;35(23-24):3279-96. PubMedAbstr

Hamer RD, Norcia AM. The development of motion sensitivity during the first year of life. Vision Res. 1994 Sep;34(18):2387-402. PubMedAbstr

Jampolsky A, Norcia AM, Hamer RD. Preoperative alternate occlusion decreases motion processing abnormalities in infantile esotropia. J Pediatr Ophthalmol Strabismus. 1994 Jan-Feb;31(1):6-17. PubMedAbstr

Hamer RD, Norcia AM, Orel-Bixler D, Hoyt CS. Motion VEPs in late-onset estropia. Clin Vis Sci. 1993;8:55-62.

Norcia AM, Garcia H, Humphry R, Holmes A, Hamer RD, Orel-Bixler D. Anomalous motion VEPs in infants and in infantile esotropia. Invest Ophthalmol Vis Sci. 1991 Feb;32(2):436-9. PubMedAbstr

Photorefraction & Screening for Ambyogenic Refractive Errors

Hamer RD, Norcia AM, Day SH, Haegerstrom-Portnoy G, Lewis D, Hsu-Winges C. Comparison of on- and off-axis photorefraction with cycloplegic retinoscopy in infants. J Pediatr Ophthalmol Strabismus. 1992 Jul-Aug;29(4):232-9. PubMedAbstr

Hsu-Winges C, Hamer RD, Norcia AM, Wesemann H, Chan C. Polaroid photorefractive screening of infants. J Pediatr Ophthalmol Strabismus. 1989 Sep-Oct;26(5):254-60. PubMedAbstr

Development of Human Color Vision (Cone) and Night (Rod) Vision

Pagon RA, Chatrian GE, Hamer RD, Lindberg KA. Heterozygote detection in X-linked recessive incomplete achromatopsia. Ophthalmic Paediatr Genet. 1988 Mar;9(1):43-56. PubMedAbstr

Hamer RD, Dobson V, Mayer MJ. Absolute thresholds in human infants exposed to continuous illumination. Invest Ophthalmol Vis Sci. 1984 Apr;25(4):381-8. PubMedAbstr

Hamer RD, Alexander KR, Teller DY. Rayleigh discriminations in young human infants. Vision Res. 1982;22(5):575-7. PubMedAbstr

Normal Adult Vision

Human Temporal Sensitivity & The Linearity of Early Vision

Tyler CW, Hamer RD. Eccentricity and the Ferry-Porter law. J Opt Soc Am A. 1993 Sep;10(9):2084-7. PubMedAbstr

Hamer RD, Tyler CW. Analysis of visual modulation sensitivity. V. Faster visual response for G- than for R-cone pathway? J Opt Soc Am A. 1992 Nov;9(11):1889-904. PubMedAbstr

Tyler CW, Hamer RD. Analysis of visual modulation sensitivity. IV. Validity of the Ferry-Porter law. J Opt Soc Am A. 1990 Apr;7(4):743-58. PubMedAbstr

Stiles-Crawford Effect

Enoch JM, Hamer RD, Lakshminarayanan V, Yasuma T, Birch DG, Yamade S. Effect of monocular light exclusion on the Stiles-Crawford function. Vision Res. 1987;27(4):507-10. PubMedAbstr

Cutaneous Sensitivity & Vibrotaction

Hamer RD, Verrillo RT, Zwislocki JJ. Vibrotacile masking of Pacinian and non-Pacinian channels. J Acoust Soc Am. 1983 Apr;73(4):1293-303. PubMedAbstr

Gescheider GA, Capraro AJ, Frisina RD, Hamer RD, Verrillo RT. The effects of a surround on vibrotactile thresholds. Sens Processes. 1978 Jun;2(2):99-115. PubMedAbstr

Gescheider GA, Verrillo RT, Capraro AJ, Hamer RD. Enhancement of vibrotactile sensation magnitude and predictions from the duplex model of mechanoreception. Sens Processes. 1977 May;1(3):187-203. PubMedAbstr