The near vision drum presents graded near optotypes and reading samples for assessing near acuity and reading performance. A compact handheld aid for the refraction room.
Ophthalmic Instruments
Near Vision Drum
Near vision test drum with graded near optotypes and reading samples for assessing near visual acuity.
| Type | Near vision rotating drum |
|---|---|
| Content | Graded near optotypes / text |
| Construction | Handheld drum |
| Use | Near acuity testing |
Applications
- Near visual-acuity assessment
- Presbyopia and reading add evaluation
- Routine refraction