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TECHFIND - BIOTECH
UV Responsive Contact Lenses
Contact lenses that darken when exposed to ultraviolet light have been developed by researchers in Singapore. The lenses contain photochromic dyes that react to sunlight and become darker to protect the wearer's eyes from UV rays. Scientists developed the lenses using a polymer laced with a network of nano-sized tunnels. The tunnels are then filled with the photochromic dyes. The dyes, which are also used in sunglasses, contain molecules that change shape in UV light, allowing the UV rays to be absorbed. The developers claim that the new technology works faster than transition sunglasses currently available to consumers. The new lenses are part of a wider research project to develop new materials for contact lenses which can dispense drugs and diagnose diseases.
Media Spiders®
Contact lenses that darken when exposed to ultraviolet light have been developed by researchers in Singapore. The lenses contain photochromic dyes that react to sunlight and become darker to protect the wearer's eyes from UV rays. Scientists developed the lenses using a polymer laced with a network of nano-sized tunnels. The tunnels are then filled with the photochromic dyes. The dyes, which are also used in sunglasses, contain molecules that change shape in UV light, allowing the UV rays to be absorbed. The developers claim that the new technology works faster than transition sunglasses currently available to consumers. The new lenses are part of a wider research project to develop new materials for contact lenses which can dispense drugs and diagnose diseases. 
