32 Lences Optical Retinoscopy Rack Lens Set, Sphere: +/- 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4-10, 12,15, Diopter of Spectacles 2 Bars 32 Lenses

Package includes: 32 lenses,16 lenses in each bar., The sphere : +/- 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., Feature : Concave (-) and Convex (+) lenses, which are color-coded with MINUS lenses in red and PLUS lenses in black., Each lens in the set is made from high-quality glasses and has been carefully crafted to ensure accuracy and reliability., The lenses are designed to be used in conjunction with a retinoscope, enabling eye care professionals to obtain accurate measurements of refractive errors.