Dry eyes plague many people and put many contacts wearers back in glasses. That’s quite common because just about everyone suffers with dry eyes as age increases. That means the lens makers have a great incentive to help more people wear contacts.
See, the dryness problem makes contacts wearing more difficult because the lenses themselves can dry eyes. That happens because as the lenses dry, which they tend to do when exposed to the air, the lens can start to wick moisture from the eye.
Normally there is a thin layer of moisture right on the surface of the eye. That serves as a source for moisture for a drying contact lens to pull moisture from. That of course makes for dry eyes.
Dry eyes with contacts means the lenses can actually contact the eye surface. That leads to irritation and all kinds of comfort issues. That isn’t the case at all if the eyes are moist. In that case the lens rides on a cushion of tears and really doesn’t even touch the eye itself.
Key to contacts success lies in the material used to construct the lens. Firstly, the lens material is higher in moisture. In many cases, lenses are more water than anything else. High moisture means lenses start out less apt to dry.
Secondly, content of the lenses is such that the lenses dry more slowly. That means the lenses are much less likely to start pulling tears away from the eye surface. Combine those two traits and you get lenses easier to wear and less prone to drying the eyes. That sometimes can put people back in contacts who years ago gave up and went back to glasses.
Acuvue makes several models that may solve dry eyes problems as do other major contacts makers. The 1 Day Acuvue Moist is the one that works for me.
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