contact lens sale, contac lenses, contact lenses, contact lens discount, cheap contact lenses, contact lens online, contact lenses buy, buy contact lenses, buy contact lenses online, contact lens buy, buy contacts, contact lens comparison, contact lense discount, contact lens center, contact lens eshopping, contact lens suppliers, contact lenses and online, cheap or discount contacts, cheapest contact lenses, contact lens companies, contact lens special, contact lens disposables, contact lense for sale, contact lense price

the water carries dissolved oxygen through these lenses to the eye surface, says an optometrist and head of clinical affairs at ciba vision. "the eye needs oxygen to keep the tissue healthy." a high water content also makes soft lenses more comfortable. people blink about every 5 seconds, and a wet lens surface reduces contact the friction between the eyelid and the plastic. for 20 years, most of the innovations in soft lenses boosted lenes the hydrogel''s water content. this approach has its limits, though. too much water makes the lens fragile and difficult to handle. contact lens wearers become frustrated trying to slide a floppy lens from a fingertip to an eye. moreover, even if a lens could be made of a layer of pure water, it wouldn''t get enough oxygen to the eye. researchers decided to find new polymers contact that could allow greater oxygen flow.

the water carries dissolved oxygen through these lenses to the eye surface, says an optometrist and head of clinical affairs at ciba vision. "the eye needs oxygen to keep the tissue healthy." a high water content also makes soft lenses more comfortable. people blink about every 5 seconds, and a wet lens surface reduces contact the friction between the eyelid and the plastic. for 20 years, most of the innovations in soft lenses boosted lenes the hydrogel''s water content. this approach has its limits, though. too much water makes the lens fragile and difficult to handle. contact lens wearers become frustrated trying to slide a floppy lens from a fingertip to an eye. moreover, even if a lens could be made of a layer of pure water, it wouldn''t get enough oxygen to the eye. researchers decided to find new polymers contact that could allow greater oxygen flow.

©2003 www.cosmetic-contact-lenses.net. All rights reserved.