Description
| Adjustment | PD, Axis, Nose, Ear Lob |
| Material | T/T |
| Movement | Adjustable |
| Usage | Eye Testing |
| Use for | Children/Adult |
Minimum order quantity: 1 Piece
Trial Frame that holds trial lenses used during retinoscopy or refraction tests on the eye. 2 main kind of Trial frames: PD fixed trial frames axis and several lens holders. A simple trial frame is used with a retinoscope to determine refractive errors. Lens of varying focal lengths may be placed in the trial frame.
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FORMALIN CHAMBER