There are several reasons a person can lose his eyelashes, including inflammation within the hair follicle. An infestation of mites can also cause a loss of eyelashes.
Another condition that can cause a person to lose his eyelashes is a bacterial or viral infection in the eye.Some people also lose eyelashes due to a condition known as alopecia. This medical condition causes the sufferer to lose hair all over the body, including the scalp. There are medications on the market designed to prevent excess hair loss due to these conditions. When the hair loss is caused by an infection, antibiotics can help.