The Single Symbol Book is ideal for testing individuals with amblyopia or impaired vision who cannot perform well with traditional line tests, helping assess visual resolution.
Features single optotype line sizes ranging from 20/200 to 20/8 (6/60 to 6/2.4) equivalent
Includes isolating mask, response key, flashcards, and instructions for accurate testing
Compact size: 5" L x 5" W (12.7cm x 12.7cm)
13 pages designed for easy handling and efficient vision testing
