Ophthalmology market is growing at a stable rate from past few years. This is due to increase in aging population, large patient pool for eye diseases and increasing awareness about eye diseases. Photochromic lenses refer to the eye lenses that when exposed to ultraviolet radiations in sunlight, darken automatically. They return to lighten shade when no longer exposed to ultraviolet radiations. Photochromic lenses may be made of glass or plastic. Glass photochromic lenses have an embedding ... Read more
Photochromic lenses adjust automatically to outdoor lighting conditions by providing the right level of tint, and return to their clear state. The extent of photochromic reaction of the lenses depends on the intensity of the UV radiation. There are several international standards to confirm that photochromic lenses employed in sunglasses and spectacle lenses do not affect the perception of color and provide suitable UV protection ... Read more