Diabetic Retinopathy — Comparing Visual Acuity Measurements (How Well You Can See) Using a Standard ETDRS Chart & a Handheld ETDRS Chart
Citation(s)
Prospective Determination of Agreement Between Standard ETDRS (Early Treatment Diabetic Retinopathy Study) Chart and Handheld Illuminated ETDRS Equivalent Chart in Eyes With Retinal Pathology