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13 Line numbers translucent distance vision chart.
13 line chart with 2 groups for repetitive testing 9″ x 14″ (23 x 35.5 cm). For vision testing at 3m (10 ft.). Compare to “Snellen” Charts
For large illuminator cabinet (item #93080) Size: 24.5″ x 25.5″ / 62 x 65 cm Proportionally spaced lines, each line equally difficult Visual acuity ranges from 20/200 to 20/10
9″ x 14″ (23 x 35.5 cm). For vision testing at 3m (10 ft.)
The Crowded Symbol Book is designed for testing children and adults who have difficulty in reading the optotypes on the big charts. Includes response key, training cards, and instruction. 16 offset pages. 12.7 cm x 12.7 cm