A Fixation stick with 2 sides featuring:
Side 1:
Picture of a dog
- English Continuous reading example
- Sloan Letter optotypes
Side 2:
Picture of a fish
- 2 small Sloan Letter optotypes in the middle
- 5 line Sloan Letter with 5 optotypes in each line
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A Fixation stick with 2 sides featuring:
Side 1: Picture of a dog
Side 2: Picture of a fish
A Fixation stick with 2 sides featuring:
Side 1:
Picture of a dog
Side 2:
Picture of a fish
Standardized adult Sloan Letter near vision card with proportionally spaced (logMAR) lines in ETDRS, format; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent.
16 inch, 40 cm testing distance.
The LEA 3-D Puzzle is designed for supporting the development of the concept of “same”, first with colors, then with black & white concrete forms that are prerequisites for the measurement of recognition acuity with the LEA SYMBOLS® tests at an early age.
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