Test ETDRS 4m
Reading test for backlit block, 20/200 to 20/10 sharpness scale.
- Contrasts from 100% to 1.5%
- The lines are of equal difficulty
- Line geometry progression online
Features
| Product Reference | RT |
| Public Price (Taxes Included) | 78.00 € |
Reading test for backlit block, 20/200 to 20/10 sharpness scale.
- Contrasts from 100% to 1.5%
- The lines are of equal difficulty
- Line geometry progression online
| Product Reference | RT |
| Public Price (Taxes Included) | 78.00 € |
