LEA SYMBOLS Single Symbol Book
  • LEA SYMBOLS Single Symbol Book



LEA SYMBOLS® Single Symbol Book

The Single Symbol Book is designed for testing children and adults who have difficulties in perception of symbols in lines. The visual acuity values measured with single symbols are often several lines better than the line acuity values in persons with impaired vision and thus overestimate the quality of visual functioning. Single optotype line sizes from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Includes isolating mask, response key, training cards, and instructions. 13 offset pages for easy flipping.

10 feet/3 meters testing distance.

LogMAR designed Flip VA Chart, Single isolated symbols (Symbol)


Important Notice :

The currency of list price is quoted in U.S. Dollars.

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Due to the difference between different monitors/ printers, the picture may not reflect the actual color and dimension of the item.

All products are subject to availability and may change without prior notice. In the event your product is unavailable due to operational or unforeseen circumstances, available of the same value will be offered.

10 feet/3 meters testing distance

5" x 5" (12.7 cm x 12.7 cm).


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