First of all, the most common symptoms of dry eye syndrome are: Dryness An itchy sensation A gritty or sandy sensation Sensitivity to light Excessive tearing Blurry vision or difficulty seeing at night A stinging, burning sensation Red and irritated eyes Eyelashes or lids with crusts, flakes, excess oil or dandruff If you have any of these symptoms then you are most likely suffering from dry eyes. There are three cases of dry eyes: blepharitis, meibomian gland dysfunction and tear film problems. Here we focus on MGD: