The Runge Near Vision Pocket Card with LEA SYMBOLS® features a format that is both easier and faster to use for near vision screening. Developed by an ophthalmologist, this Sloan letter near card mimics reading from left to right. The LEA SYMBOLS® optotypes on the front of the card contain line sizes ranging from 20/500 to 20/16 (equivalent).
The reverse side has an easy-to-follow answer key of the front side test with no memorization required. Measurements of Snellen distance (feet), actual letter size, Jaeger, near, LogMAR, decimal, and Snellen distance (Meters) are listed for each optotype. This card is printed with a pupilometer with sizes ranging from 2 to 9.
Each card is screen printed on styrene plastic and clear coated for durability.
Dimensions: 3.75″ x 6.25″ (9.5 cm x 15.9 cm).
Testing distance: 16″/40 cm.