Optical Optic Trial Lens Frame Optometry Kit Case 266 Pcs Plastic Rim Eye Test Glasses Set ，Includes Aluminum Case – Optometry Optician, Optical Trial Lens Set，Eye Protection Accessories

Wide application: The optometry frame has a wide range of uses, suitable for opticians, hospitals, ophthalmology, schools, factories and mines, etc. for vision examination, and can provide a variety of adjustments to ensure that the patient wears it correctly and comfortably.Product Description:High-quality optical glass, aperture 26mm, a total of 266Widening grid gap processing, up and down inserts easierLight through the large diameterHigh-quality optical glassTechnical Datas:Packing number:266(pcs)Measuring range:Spherical Lens-20D~+20D Cylindrical Lens 6D~+6D Prism 0.5~8, 266pcs.Material:High-quality optical glassPurpose: vision testinghint:1. Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thanks!2. Please avoid 1-3cm measurement deviation due to manual measurement

• 【Measuring range】Spherical Lens-20D~+20D Cylindrical Lens 6D~+6D Prism 0.5~8, 266pcs.
• 【26mm clear aperture】The handle degree is sprayed on one side, which is more convenient for use and inspection. The axis marks of the cylinder and prism are directly engraved on the mirror surface, and the axis position will never change.
• 【Gap widening treatment】The upper and lower inserts are more convenient, and the standard slot effectively protects the lens.
• Wide application: The optometry frame has a wide range of uses, suitable for opticians, hospitals, ophthalmology, schools, factories and mines, etc. for vision examination, and can provide a variety of adjustments to ensure that the patient wears it correctly and comfortably.