What are the symptoms of corneal abrasion?

Corneal abrasion refers to external objects rubbing the surface of the cornea, resulting in different degrees of abrasion, such as corneal epithelial defect or exfoliation. Corneal abrasion, common symptoms include sudden eye pain, photophobia tears, blepharospasm and other irritation symptoms, severe cases even affect vision. If secondary infection, it may form corneal scars, affecting vision. In addition, to prevent rubbing eyes, pay attention to eye hygiene, prevent infection.