New Method for Measuring Low Light Vision

"A simple method of testing 'twilight vision' gives reliable results in identifying people who have decreased visual acuity under low light conditions, according to a new study," according to Science Codex. "Using filters to test at a light level 100 times lower than for daylight visual acuity testing, vision care professionals can obtain 'reliable and repeatable' measurements of twilight vision, report Jason S. Ng, OD, PhD, and colleagues of Southern California College of Optometry at Marshall B. Ketchum University in Fullerton, Calif." Read more.