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Method and apparatus for enhancing visual perception of display lights, warning lights and the like, and of stimuli used in testing for ocular disease

  • US 5,710,560 A
  • Filed: 03/11/1996
  • Issued: 01/20/1998
  • Est. Priority Date: 04/25/1994
  • Status: Expired due to Fees
First Claim
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1. A method of sequentially operating at least first and second spaced-apart lights in a display system, the method comprising the following steps:

  • (a) activating said first light for a time T1, wherein 1 ns≦

    T1≦

    100 ms;

    (b) upon conclusion of said time T1 in after step (a), extinguishing said first light for a time T2, wherein 0≦

    T2≦

    150 ms, said time T2 being sufficiently long to exceed a duration of visual effect in a viewer of a said first light during said time T1; and

    ;

    (c) after said time T2 in step (b), activating said second light for a time T3, wherein 1 ns≦

    T3≦

    100 ms;

    (d) after said time T3 in step (c), extinguishing said second light for a time T4, wherein 0≦

    T4≦

    900 ms; and

    (e) repeating steps (a) through (d);

    wherein said first and second lights are spaced apart a distance equivalent to about 1 minute to about 60 minutes of visual arc at a critical viewing distance from said lights.

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