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 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.
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.
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