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Crizal Prevencia, launched in 2013, is a lens that lets in beneficial light and filters out blue-violet and UV rays. In 2014, Essilor won a Fibre Innovation Award for Crizal Prevencia at an event at the Paris Pierre and Marie Curie University celebrating advances in technology that benefit society. [59]
The Varilux Ipseo New Edition is the first lens designed and tested using a virtual simulator. The lens is personalized to the wearer's visual behaviour, using 10 customization criteria. To do so, it uses the Vision Print System, which measures a personal diagnosis of eye and head movement. [25]
Essilor and Luxottica were respectively the world's leading manufacturers of ophthalmic lenses and of eyeglasses; upon the merger, EssilorLuxottica thus became the juggernaut of the eyewear industry, which some critics have qualified of near monopoly. Essilor contributed its numerous proprietary lens technologies as well as its subsidiaries to ...
Transitions Optical is a U.S.-based company known for manufacturing photochromic lenses, which darken on exposure to specific types of light. The company was founded in 1990. [1] In 1991, Transitions Optical became the first company to commercialize and manufacture plastic photochromic lenses. [2]
Uncoated glasses lens (top) versus lens with anti-reflective coating. The reflection from the coated lens is tinted because the coating works better at some wavelengths than others. An antireflective , antiglare or anti-reflection ( AR ) coating is a type of optical coating applied to the surface of lenses , other optical elements, and ...
Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake. . Other structural changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris), corneal neovascularization, as well as the emergence of polymegethism in the corneal endoth
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