February 1986
Volume 27, Issue 2
Free
Articles  |   February 1986
Visual acuity and the flash visually evoked cortical potential in albinos.
Investigative Ophthalmology & Visual Science February 1986, Vol.27, 222-225. doi:
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      C Boylan, G F Harding; Visual acuity and the flash visually evoked cortical potential in albinos.. Invest. Ophthalmol. Vis. Sci. 1986;27(2):222-225.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

The flash visually evoked cortical potential (VECP) was recorded in 18 human albinos. In some individuals P2 (latency 100-120 msec) formed the major component while in others P1 (latency 60-80 msec) was the largest component and dominated the response. The relative amplitude of P1 compared to P2 was calculated, and the results compared to the levels of monocular Snellen Visual Acuity measured. A relationship was found such that the greater the amplitude of P1 compared to P2, the lower the level of acuity. (Group 1: rs = -0.509, P less than 0.05. Group 2: rs = -0.536, P less than 0.05).

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