Black Out Filter for Trial Lens Frame
Ophthalmic Clinical Research, Clinical Trial Items
SKU : 7030
Black Out Filter for Trial Lens Frame
SKU : 7030
Black Out Filter for Trial Lens Frame
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Black Out Filter for Trial Lens Frame
Black Out Filter for Trial Lens Frame
| Brands | Precision Vision |
|---|
| Dimensions | 3 × 2.25 × 0.25 in |
|---|


The BAL chart is the first, standardized continuous text near visual acuity chart in Arabic. It was designed based on the accepted design criteria for reading acuity charts

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