Adjustable trial frame is a light weight trial frame. With aluminum body and stainless steel sides. The Cells are spaced to accommodate reduced aperture lenses only. It is designed to hold 8 lenses and it permits smooth and easy manipulation of...
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...
5,000 - 
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