Though the visual acuity charts may show you have good sight (20/20), you may feel you aren't seeing well. You may feel that your vision is flat or misty. Contrast Sensitivity Tests ...

Whether the lines are solid or dashed, using circles for key milestones creates visual contrast and interest, and makes the values easier to recognize and compare across the board. Colors should be ...

LogMAR visual acuity (VA) was evaluated at three different contrast levels: 100% (HCVA, using ETDRS chart), 2.50%, and 1.25% (LCVA, using Low-Contrast Sloan Letter Charts, Precision Vision ...

Patients were tested for binocular acuity on Sloan Low-Contrast Visual Acuity charts at contrasts of 1.25%, 2.5%, and 100% (high contrast).

The contrast sensitivity of persons with different visual acuity capabilities is experimentally analyzed. Test subjects observe a cathode ray tube monitor in a darkroom environment to determine ...

Parkinson's disease patients have reduced visual contrast acuity Date: February 25, 2015 Source: IOS Press BV Summary: An iPad ® application has been developed that can help physicians screen for ...

In recent years, visual contrast in residential architecture has relied on dramatic, high-contrast color combinations, such as white siding with black roofs and trim. Yet as the architectural market ...

In those trials, doctors monitored 2,113 patients’ sight by using a standard eye chart with black letters and another chart, with pale-gray letters, that measures low-contrast vision.

The LYNX-2 study met its primary endpoint of a gain of three lines (or 15 letters) or more of distance vision improvement on a low contrast chart in low light conditions after 15 days of dosing.