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A lightweight Red plastic occluder that clips onto any existing frame.
A lightweight Red plastic occluder that clips onto any existing frame.
| Brands | iAdvantec |
|---|
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.
Stereoacuity depth preception test designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children and adults.
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