UCanSee 32 Lenses Optical Retinoscopy Rack Lens Set for Quick Examination of Diopter Spectacles with a Aluminum Case

Description The Lenses Optical Retinoscopy Rack Lens set is a comprehensive set of lenses designed to aid in the diagnosis and treatment of various eye conditions. The set includes a range of high-quality, precision-crafted lenses that can be used in conjunction with a retinoscope to assess refractive errors, visual acuity, and other aspects of ocular health. This product ships from: United States / China.  Product Design: The Lenses Optical Retinoscopy Rack Lens set includes a total of 32 lenses, with 16 lenses in each bar，There are 2 bars each for concave (-) and convex (+) lenses, which are color-coded with MINUS lenses in red and PLUS lenses in black.  Spheres Contained: The sphere range for the lenses includes +/- 0.50, 1.00, 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 5.00, 6.00, 7.00, 8.00, 9.00, 10.00, 12.00, and 15.00. The product is packaged with a aluminum case for protection.  Precision-crafted Lenses: Each lens in the set is made from high-quality glasses and has been carefull