Styes are eyelid ailments that are caused by bacterial infections of the eyelash follicles or oil glands. They appear as red, painful bumps at the edge of the eyelid and can be treated with warm compresses and antibiotics. Chalazia (8 letters) are another type of eyelid ailment that are caused by blockage of the meibomian glands, which are located in the eyelids. They appear as small, painless bumps and can be treated with warm compresses and antibiotics. Blepharitis (10 letters) is an inflammation of the eyelids that can be caused by bacteria, allergies, or skin conditions. It is characterized by redness, itching, and flaking of the eyelids and can be treated with warm compresses, antibiotics, and anti-inflammatory medications.