NICHOY 266 Pcs Optical Trial Lens Set,Optometry Kit Metal Rim,Aluminum Case Ophthalmic Lenses,Password Metal Packing Box,Large Aperture Optometry Box(Color:Sliver,Size:a Set)

• ●【High-quality audition box】: The audition lens adopts a metal ring that is easy to clean and maintain, which is durable and has a longer service life. The lens has high light transmittance and is more comfortable to wear.
• ●【Clear and convenient marking】: The degree mark of the handle is engraved on both sides, which is convenient for use and inspection; the axis mark is engraved on the mirror surface, so it is not easy to change the axis position.
• ● 【WIDELY USED】: Optometry case is widely used in optical shops, vision care centers, hospitals, optometry training centers to check hyperopia, myopia, presbyopia, astigmatism and strabismus.
• ● 【Gap widening treatment】:widen the gap of the lens, it is more convenient to insert and pull up and down, and the standard slot effectively protects the lens.
• ● 【100% Quality Service】: If you have any questions during use, please feel free to contact us, our professional after-sales team will serve you until you are satisfied.

● The 266-lens audition lens set is widely used by hospital ophthalmologists and opticians to check people's refractive status: hyperopia, myopia, presbyopia, etc. ● Product overview: ^ Product name: metal audition case ^ Product material: leather case + metal ring + optical glass ^ Single chip size: outer diameter 38mm, clear aperture 26mm ^ Standard packing quantity: 266PCS ^ Measuring range: SPH: 0.12-20.00DS ^ Product net weight: 5.2kg ^ Product gross weight: 5.5kg ^ Optometry box size: 59*34*6cm/23.2*13.4*2.4inches ^ Applicable to: optical shops, vision care centers, hospitals, optometry training centers, check hyperopia, myopia, presbyopia, astigmatism, strabismus ● Reminder: ^ We also have other related optometry instruments, welcome to order at any time; ^ No matter what problem you meet, please feel free to contact us, we will reply you within 24 hours.