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Welcome to Corza Ophthalmology
Katena’s Diamond series of reusable lenses feature a patent pending optical design at an extraordinary value. Each lens possesses high performance multi-layer anti-reflective and hard coatings. An ultralight metallic alloy with silicone grip makes each lens ergonomically friendly. These lenses offer exceptional small pupil performance and low image distortion. Sold individually. This reusable 20D lens provides an image magnification of 3.0x and a field of view of 53°.