World’s First Photochromic Contact Lens for Vision Protection
Long-term unprotected exposure to the sun’s ultraviolet (UV) rays can lead to age-related macular degeneration, cataracts and other eye conditions that can compromise the quality of our vision.
IBN Team Leader and Senior Research Scientist Dr Edwin Chow and his team have developed the first photochromic contact lens in the world that darkens rapidly on exposure to sunlight to shield the eyes against harmful UV rays and glare without compromising vision and comfort.
IBN’s unique photochromic contact lens material is formed through polymerization with a bicontinuous microemulsion that contains a polymerizable surfactant, lens monomers and water. This microemulsion has both hydrophobic and hydrophilic domains that can be used to synthesize materials with unique properties.
IBN’s photochromic nanostructured material can be easily produced into any desired shape and form, therefore broadening the scope of its potential applications to other uses such as optical coating on glasses and windows. The team is currently pursuing the commercialization of this technology.
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