Use hypoallergenic eye makeup. Your own observation of symptoms. Medical history and physical exam by a doctor. If blepharitis is caused by lice, your doctor will remove them with tweezers or medication. Misdirected eyelash growth.
Recurrence is common.
Apply soaks for 20 minutes, then rest at least 1 hour. Repeat as often as needed. Remove scales from the lids each day. Don't wear eye makeup until inflammation subsides. Discontinue soft contact lenses until condition cleared.