Abstract:

Dry eye is one of the most common diseases in ophthalmology. Its pathogenesis is complicated. The risk factors of dry eye include the eye disease related factors, such as refractive surgery, pterygium, diabetes, and graft-versus-host disease, etc; environment related factors, such as low humidity environment, ultraviolet irradiation, dry climate, plateau hypoxia, etc; nutrient related factors, such as essential fatty acid and vitamin A deficiency; sex hormone related factors; lifestyle related factors, such as video terminal use and contact lenses wearing, etc.(Int Rev Ophthalmol, 2018, 42:  189-193)