The mildest form of dry eyes can be managed with artificial tear supplements, warm lid therapy and environmental changes. The majority of people suffer from dry eyes from time to time.
The next level,is moderate dry eye symptoms; these affect vision more and also have an impact on life quality because of more severe symptoms like chronic pain, light sensitivity and eye sensitivity
The severe dry eye might lead to damage of the outer ocular surface like conjunctiva and especially the cornea, leading to ulceration of the cornea, a possible infection and severe impairment of daily life, including visual impairment.