Hand-held ETDRS device enables accurate, reproducible visual acuity measurements

PHILADELPHIA — A hand-held internally illuminated ETDRS device provided accurate and repeatable visual acuity measurements, according to a study presented here. “Despite the FDA requiring ETDRS vision in registered trials, still the vast majority of published studies in the ophthalmic literature use Snellen visual acuity,” Ehsan Rahimy, MD, said at the Wills Eye Annual Conference. “There are multiple reasons for the lack of widespread incorporation of the ETDRS system, including the increased time it takes to measure these acuities. … A novel back-lit handheld ETDRS vision meter may allow for (Read more...)

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