Revised Series Sloan Letter ETDRS® (Set of 3)

This revised eye chart incorporates a slight change in the difficulty score for each of the ten SLOAN letters derived from the best corrected visual acuity examinations of 7,420 eyes during the ETDRS® study.

$209.25

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Description

This revised eye chart incorporates a slight change in the difficulty score for each of the ten SLOAN letters derived from the best corrected visual acuity examinations of 7,420 eyes during the ETDRS® study.

The revised arrangement of letters in the 2000 Series ETDRS® chart resulted in the ultimate homogeneity and balance of the visual acuity test.

Can be wall mounted.

2000 series revised ETDRS® charts fit in ETDRS® Illuminator Cabinet CAT. NO. 2425. This Illuminator cabinet provides a consistent and uniform light source behind the ETDRS® visual acuity test. A glare source CAT. NO. 2429 may also be used for more intense visual acuity testing using different lighting situations.