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.
Eye allergies, as well as bacterial and viral eye infections, can cause inflammation that leads to burning eyes. Even a common cold or the flu can cause eyes to burn. In rare instances, burning eyes can be a sign of a serious sight- or life-threatening condition such as uveitis or orbital cellulitis.