228 pcs Optical Trial Lens Set Kit in Wooden Case

- Trial lenses: The trial lenses are made of glass with a metal rim, which gives accurate diopter and a high light transmittance. This is very important for optometrists and vision testers.
- Large metal rim: Features a 20 mm inner diameter and 37 mm outer diameter. This provides a wide field of vision, making the test result more accurate.
- Easy to distinguish lenses: Has 225 pcs lenses in the case, with 128 pcs of spherical lenses, 80 pcs of cylindrical lenses, 10 pcs of prismatic lens, 7 pcs of accessories. Each lens handle is engraved with markings, and the lens power is printed on the tray.
- Widely used: It is very useful for optometrists, vision testers and household use to exam a patient’s refractive error - including hyperopia, myopia, presbyopia, astigmatism, strabismus or color blindness.
- Comes with a test frame.
- Comes with a cleaning cloth.
- Comes in a wooden case.

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