Contrast Sensitivity Vision Chart.
A contrast sensitivity test measures your ability to distinguish between finer and finer increments of light versus dark (contrast). This differs from common visual acuity testing in a routine eye exam, which measures your ability to recognize smaller and smaller letters on a standard eye chart.
| Usage/Application | Hospitals and clinics |
| Brand | A.S.F Universal |
| Material | Plastic |
| Model Name/Number | ASF-28 |
| Shape | Rectangular |
| Color | White and Black |
| Usage | For Eye Sight Check up |
| Handling | Portable |