The trial frame holds trial lenses during subjective refraction and lets the examiner fine-tune sphere, cylinder and prism combinations. Independent PD, temple and tilt adjustment ensure comfortable, accurate positioning. A core refraction-room instrument.
Ophthalmic Instruments
Trial Frame
Adjustable trial frame for subjective refraction, with independent sphere/cylinder cells, PD and temple adjustment for accurate lens placement.
| Type | Universal trial frame |
|---|---|
| Adjustment | PD, temple length, pantoscopic tilt |
| Cells | Multiple front and rear lens cells |
| Construction | Lightweight metal |
Applications
- Subjective refraction and lens trials
- Prescription verification
- Optical dispensing and low-vision work