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Veatch Ophthalmic Instruments | Tuesday, August 10, 2021 |
One of the most important pieces of equipment in any exam lane is the phoropter, used to measure refractive error. The device, which resembles a large mechanical mask, is made up of cylinders, prisms, and lenses that enable eye care professionals to determine the ideal prescription strength for patients who wear glasses or contact lenses. In the past, doctors referred to all refraction systems—both manual and digital—as phoropters. However, thanks to recent advancements in technology and the...