NICHOY Optometry Lens Box (30/40 Type) Row Mirror,Rapid Retinoscopy and Screening Vision Tools,Diopter Glasses Optometry Test Optical Glass Lens(Color:A,Size:30)

● 30/40 lenses altogether (6 in each bar),Both nearsightedness and farsightedness,The clear aperture of the reduced-diameter plastic ring lens is 26mm, light and durable, and more comfortable to wear.● Product overview:^ Product Name: Optical Retinoscopy Rack Lens Set^ Product material: plastic + glass+aluminum alloy box^ Product size: 12*7*32cm/14.5*7*32cm^ Product features: it is suitable for the quick examination of diopter of spectacles^ Sphere degrees: +/-0.25，0.5，0.75，1.0，1.25，1.5，1.75，2.0，2.25，2.5，2.75，3.0，3.5，4.0，5.0，（6.0,7.0,8.0,9.0,10.0）● Warm tips:^ There are other related ophthalmic equipment in this store, welcome to order.^ Whatever you have, please feel free to contact us. We will reply you within 24 hours.^ For bulk order, please contact us in advance, there will be a discount.

• ●【Complete accessories】：30/40 lenses altogether (6 in each bar),Both nearsightedness and farsightedness,The clear aperture of the reduced-diameter plastic ring lens is 26mm, light and durable, and more comfortable to wear,The degree mark on the handle is sprayed on one side, which is convenient for use and inspection.
• ●【Optometry lens box (30/40 type) row mirror】: +/-0.25，0.5，0.75，1.0，1.25，1.5，1.75，2.0，2.25，2.5，2.75，3.0，3.5，4.0，5.0，（6.0,7.0,8.0,9.0,10.0）
• ●【high quality material】: It is safe and healthy with environmentally-friendly material and comes with smooth edge by fine workmanship.
• ●【Application】: it is suitable for the quick examination of diopter of spectacles.
• ●【High-quality after-sales service】: After you purchase our products, we will provide you with perfect after-sales service throughout the whole process. If you have any questions, please feel free to contact us, and we will reply you within 24 hours.