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 ...

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 ...

Furthermore, visual function measures of best-corrected visual acuity, contrast sensitivity, and microperimetry are all closely associated with activities of daily living in patients with AMD.

Researchers have found in a phase 3 trial that phentolamine ophthalmic solution 0.75% led to significant improvements in mesopic low contrast distance visual acuity and patient-reported ...

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.

SST lateral inhibition controls the slope of psychometric contrast sensitivity. Credit: Nature Neuroscience (2025). DOI: 10.1038/s41593-025-01888-4 ...