The pocket clip serves as a pressure-activated switch. This pen uses a “soft” LED bulb. Includes a pupil gauge (2 thru 9 mm) and cm ruler (to 5 cm).
AAA batteries are not included.
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The pocket clip serves as a pressure-activated switch. This pen uses a “soft” LED bulb. Includes a pupil gauge (2 thru 9 mm) and cm ruler (to 5 cm).
The pocket clip serves as a pressure-activated switch. This pen uses a “soft” LED bulb. Includes a pupil gauge (2 thru 9 mm) and cm ruler (to 5 cm).
AAA batteries are not included.
Brands | iAdvantec |
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Stereoacuity depth preception test designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children and adults.
This card combines a lea symbols® line test on one side and lea numbers® line test on the opposite side. Proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent.
16 inches, 40 cm testing distance.
This assessment is designed for amblyopia testing or screening. This near vision chart has 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/400 to 20/16 (6/120 to 6/4.8) equivalent.
16 inches, 40 cm testing distance.
Some children with brain damage-related vision loss may achieve near normal results in routine vision tests (large visual field and normal or near normal visual acuity), but cannot interpret facial expressions or recognize people’s faces.
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