Re: An eyes exam

[Brian Whatcott <inet@INTELLISYS.NET>]

At 04:03 PM 12/29/01, you wrote:
> During an eyes exam I recognized all letters in the first three
> rows with the left eye but not the letters in the fourth row. The
> same happened with my right eye. But all letters in the fourth
> row became clearly recognizable when both eyes were open.
> The doctor said that this is the synergetic (sp?) effect. I am
> trying to reproduce this at home but it is not as dramatic as in
> his office. Perhaps this strange effect is font-dependent or
> illumination-dependent. Any comments?
>  Ludwik Kowalski


This URL leads one to expect an 11% or  a half  line improvement
on a visual chart on average for binocular versus monocular testing.

<http://www.lighthouse.org/research_acuity.htm>


Brian Whatcott
  Altus OK                      Eureka!