Open 5mm blades. Blade spread: 27mm. Dull finish. Overall length: 45mm, 1.8 inches.
Materials : Stainless Steel
No products in the cart.
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.
Test for quick measurement of low Contrast visual acuity at 25%, 10%, 5%, 2.5%, and 1.25% Contrast by measuring the distance where the symbols are seen. 10M symbols correspond to visual acuity 0.10 at 1 m, 0.05 at 0.5 m and 0.3 at 3 m. VA values are thus easy to calculate. Test includes a table for conversion to Snellen equivalent VA values, a response keys and instructions. 6 pages, 3.25″ x 9″ (8.25 cm x 22.9 cm).
WhatsApp us
