ETDRS Charts
Standardized Visual Acuity Testing for Clinical Research
Precision Vision ETDRS charts are the industry standard for visual acuity assessment in ophthalmology research and clinical trials. Built around standardized logMAR methodology, our charts help reduce variability while supporting consistent visual function measurement across sites, investigators, and testing environments.
Browse the full ETDRS catalog below — high-contrast and low-contrast options, illuminator cabinets, and clinical trial kits.
