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.