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Because my parents are using it. Compare it to locally made products. Essilor invests heavily in research and development to innovate itself.Their that cater to various vision needs. Thr Crizal lenses, , are often praised for exceptional clarity and resistance to glare, smudges, and scratches. These lenses often come with specialized coatings like Crizal Sapphire UV and Crizal Prevencia, which enhance durability.. Advanced lenses are often tailored to individual visual behaviors and needs. For eg, Essilor’s Varilux lenses are designed to provide smooth, gradual changes in lens strength for clear vision at any distance. Always remember High-quality lenses provide sharp vision without distortions.