Eye color outside of the iris may also be symptomatic of disease. Yellowing of the sclera (the whites of the eyes) is associated with jaundice, and may be symptomatic of liver diseases such as cirrhosis or hepatitis. A blue coloration of the sclera may also be symptomatic of disease.
Dry Eye Syndrome. Dry eye syndrome often causes a sandy, gritty sensation in the morning that usually gets worse throughout the day. Dry eyes of varying severity can cause uncomfortable, irritating symptoms. If your eyes are dry, your eyes may burn much more than they itch.
Corneal flash burns cause pain, bloodshot eyes, tearing, blurry vision, sensitivity to light and irritation. A corneal ulcer is an infected sore on the cornea and causes pain, redness, pus, blurry vision and more. Eye allergies, or allergic conjunctivitis, can make your eyes itchy, red, and watery. Bruises, or contusions, cause skin discoloration, swelling and tenderness. A blocked tear duct keeps your tears from draining and causes your eye to be watery and irritated.