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Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS®
Original Series ETDRS Chart 1 (Cat. No. 2139) — Sloan Letters, 2 meter testing
Original Series ETDRS Chart 2 (Cat. No. 2140) — Sloan Letters, 2 meter testing
Original Series ETDRS Chart R (Cat. No. 2138) — Sloan Letters, 2 meter testing
ETDRS®, Precision Vision

Original Series Sloan Letter ETDRS®

SKU: 2139

Only standardized format accepted in studies sponsored by the National Eye Institute. Designed for use in clinical studies and low vision

Sale price$69.75
Chart Version:

Chart Version
Testing Distance:

Testing Distance
Collections:
ETDRS, Visual Acuity Charts
Tags:
trial-grade
Brand:
ETDRS®, Precision Vision

The Original Series Sloan Letter ETDRS® chart family — Chart 1, Chart 2, Chart 3, or the full Set of 3 — using the standard Sloan letter optotypes in the original ETDRS series across four testing distances (2 m, 2.5 m, 3 m, 4 m).

Designed to fit the 2425 / 2425 LED Large ETDRS® Illuminator Cabinets. Charts 1, 2, and 3 are sequenced alternate-form charts. Use in rotation to eliminate learning effects across repeat visits.
Original Series Sloan Letter ETDRS®
Original Series Sloan Letter ETDRS® Sale price$69.75