Hand Held Jackson Crossed Cylinder is mounted on a knurled handle, making it easy to flip.
The high optical quality lens has red and black axis etching.
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Hand Held Jackson Crossed Cylinder is mounted on a knurled handle, making it easy to flip.
Hand Held Jackson Crossed Cylinder is mounted on a knurled handle, making it easy to flip.
The high optical quality lens has red and black axis etching.
| Brands | Precision Vision |
|---|

This Super Vision test includes visual acuity and letter contrast sensitivity (CS) on a single chart. The top portion of the chart tests for acuity vision while the bottom half includes highly calibrated levels of contrast. Chart includes eight separate contrast levels for the most precise contrast sensitivity test. This eye chart also includes a separate optotype sequence for each eye to reduce memorization possibilities. This test is designed for use with the Small 914 Illuminator Cabinet.

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
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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