The Effects of Dry Eyes on the Cornea
Your cornea is a clear tissue responsible for directing light onto your retina, the light-sensitive tissue at the back of your eye. The cornea needs hydration to keep it healthy and to avoid drying out, clouding, or changing shape (like in extreme cases of dry eyes). It absorbs oxygen from the water in your tears and is nourished by the tear film.
When your cornea lacks hydration, you may experience uncomfortable symptoms like redness or irritation.