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 carefully crafted to ensure accuracy and reliability.
Professional Use: The lenses are designed to be used in conjunction with a retinoscope, enabling eye care professionals to obtain accurate measurements of refractive errors. They also aid in the evaluation of other eye conditions.
Convenient Storage: The set comes with a storage case, making it easy to keep the lenses organized and easily accessible when needed. Besides, the case can protect the lenses well and the size (12.41*6.50*1.46 inch) is small for easy storage.
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