Bi-concave glass lenses are manufactured with both surfaces concave like-Â Concave Lenses . These lenses have negative focal lengths. These lenses diverge collimated incident light and form virtual images, which are seen through the lens. They are...
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Specialities : the lens has a 36 degree field of view. Paymen wide field, this is designed for wide field viewing pf phakic, fluid filled eyes during Vitrectomy
Key Features : 55% high water content for high oxygen flow, Large optical zone for better vision, High oxygen glow for healthy eyes, Anti-curl for easy fitting
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