"SpecificationMaterial: Glass, Aluminum, Copper, SpongeAssembly Required: NoNumber of Lenses: 68Box Color: SilverConcave/Convex Sphere Degree: 0.25-16.0Concave Cylinder Degree: 0.25-5.00Lens Inner Diameter: 36.5mm/1.44inLens Outer Diameter: 38mm/1.5inStorage Case Size: 24*22*5.5cm/9.45*8.66*2.17inPackage Size: 26*24*7.5cm/10.24*9.45*2.95inGross Weight: 1.5kg/3.31lbsNet Weight: 1.43kg/3.15lbsPackage Included68*Trial Lenses1*Cloth1*Storage CaseNotes1. Please note that the pupil distance of the frame is fixed and can not be adjusted.2. To ensure the accuracy of the exam, the following people are not suitable for the exam. A patient who is in bad mental or physical condition, overworked, dizzy, who has bloodshot eyes or other ophthalmic disease.3. Please prevent it from being scratched when it is used. Please keep it clean and dry by wiping it with a soft cloth after each use. 4. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before ordering. Professional Complete Kit: This set of the lenses for eyes includes three types of lenses: concave cylinder lenses, convex sphere lenses, and concave sphere lenses, totaling 68 pieces with different degrees. They can be used together with a trial frame (not included) to help measure vision and equip more suitable glasses. High Compatibility of The Optical Trial Lens Set Kit: The sturdy copper frames allow the optical lenses to not only be used for optometry but also widely applied in MRI or non-magnetic consumables or equipment environments. Excellent Protection: This optometry rim case kit consists of a high-class aluminum case, glass lens, and copper frame. The interior of the case is designed with a soft sponge to prevent lens wear and maintain their clarity. The latch design prevents the loss of internal items. Considerate Design of The Trial Lens Set Optical Kit: The labels positioned in the storage case and the degree located at the top of the frame facilitate quick identification of the desired lenses, thereby averting confusion. The 1.44-inch larger aperture offers the wearer a wider field of vision, enhancing comfort. Easy to Store and Carry: Every lens model is positioned in appropriate grooves within the case for easy access and storage. The lens test box is suitable for optometrists, vision testers, hospital ophthalmology, optician shops, and more. Brand: QuaLivgEssZome Brand Name: QuaLivgEssZome Date First Available: May 26, 2025 Manufacturer: QuaLivgEssZome Item model number: Contact Lens Cases UPC: 756383095682 ASIN: B0F9WWTSKP"