“…Dry eye can be caused by aging, diseases such as Sjögren's syndrome, Stevens-Johnson syndrome, ocular cicatricial pemphigoid, rheumatoid arthritis, diabetes mellitus, or systemic lupus erythematosus (SLE), and the use of medications including antihistamines, antihypertensive agents, oral contraceptives [2,3]. Environmental factors (pollution, smoke, low humidity, wind) and activities which cause reduced blink rate (including the use of visual display units) also contribute to the development of dry eye [1][2][3].…”