Contact lenses are not one-size-fits-all, and constant "lens awareness" could indicate a poorly fitting lens. Lenses come in thousands of combinations of diameter and curvature. If your lenses have the wrong diameter or base curve, you'll likely feel that something is always in your eye. If the lenses are too large, your eyelids will tend to dislodge them when you blink. The wrong size lenses can even cause abrasion of your cornea. This is one reason why swapping contact lenses with friends is a bad idea.
Lens awareness can also result from lenses that have lipid or protein deposits on them. This occurs naturally from being exposed to your tears, but your lens cleaning products should be removing them. Your doctor might recommend a change in lens care regimen, or a switch to daily disposable lenses. It's also possible that a lens material or cleaning solution can be incompatible with your eyes or tears.
Read more about discomfort remedies.
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