Very easy to hold and use for changing luminance and on/off.
Features:
- Hard keys for best tactile feel
- Uses 3 AAA batteries (included)
No products in the cart.
Very easy to hold and use for changing luminance and on/off.
Very easy to hold and use for changing luminance and on/off.
Features:
| Brands | Precision Vision |
|---|

2425LED-300 7 Presets at 3, 10, 40, 85, 160, 320 and 800 cd/m2
This configuration allows for testing vision under several different luminance levels with optional charts in high contrast, low contrast and threshold contrast and different test distances.

Features Traditional Sloan Optotypes Found in the Original Pelli Robson Chart! For use at 16 in (40cm) Includes three charts, each of which is scrambled.
Acuity Level 10m (20/630) at 40 cm (16 in)

Contrast sensitivity test comparable to the Small Letter Contrast Test.
Detects subtle effects of defocus, low luminance and glare.
WhatsApp us

