Open 5mm blades. Blade spread: 27mm. Dull finish. Overall length: 45mm, 1.8 inches.
Materials : Stainless Steel
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Open 5mm blades. Blade spread: 27mm. Dull finish. Overall length: 45mm, 1.8 inches.
Materials : Stainless Steel
Open 5mm blades. Blade spread: 27mm. Dull finish. Overall length: 45mm, 1.8 inches.
Materials : Stainless Steel
| Blade Size | 5mm |
| Blade spread | 27mm |
| Overall length | 45mm, 1.8 inches |
| Material | Stainless Steel |
Sloan Letter charts calibrated to test visual acuity at an intermediate distance of 66 cm (26 in.).
This chart can either be wall mounted or used in an ESV 1200 , ESV 1500 , or a Model A illuminated cabinet.
Hiding Heidi Low Contrast Face Test are available in 2 different versions:
Double Sided : Four cards printed on both sides in the following Contrast levels: black, 25%, 10%, 5%, 2.5%, and 1.25%.
Single Sided : Seven cards printed on one side in the following Contrast levels: black, 25%, 10%, 5%, 2.5%, and 1.25%.
Cards are 9″ x 9″ (23 cm x 23 cm). Includes instructions.
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.
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.
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