Trichiasis is a common eyelash problem that causes eyelashes to grow abnormally. Instead of growing outward, a few eyelashes may grow inward toward the eye.
Because eyelashes are often very coarse, trichiasis can feel like a needle poking into your eye and that often causes pain and irritation—but it can also cause damage to your eye if not resolved.
Symptoms of Trichiasis
Trichiasis can cause your eyelashes to rub against the conjunctiva and the cornea, causing pain and irritation. The constant irritation to the cornea can sometimes cause a corneal abrasion. Inflammation and vision loss can also occur if the condition becomes chronic or ongoing. People with trichiasis often complain of the following symptoms:
Foreign body sensation
Many say they feel like something is scratching their eye or they think that there is a piece of sand in their eye.