Lenses That Respond To Light Conditions
Optic Topic by Steven A. Queenan at Regional Eye Optical – Week of February 17, 2019 Lenses that change from dark to light in response to sun exposure were first developed in the late 1960s. “Photochromic” lenses, which darken in response to how much ultraviolet light they are exposed to, were once restricted to glass….
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Precision Fit Eyeglasses
Optic Topic by Steven A. Queenan at Regional Eye Optical – Week of February 3, 2019 In order for prescription eyeglass lenses to work as designed, careful measurements must be taken to ensure they properly align with the wearer’s eyes. First, the bridge and temples must fit the face so that the frames rest comfortably…
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