GROSS ANATOMY

Detailed explanation-1: -The eyelid margin rests against the globe and contains the eyelashes and the pores of the meibomian glands. The cilia (eyelashes) are arranged at the lid margin in a double or triple row, with approximately 150 in the upper eyelid and 75 in the lower lid.

Detailed explanation-2: -The eyelid margin describes the portion located at the edge of the eyelid. It is the juncture of the conjunctiva and the skin, known as the mucocutaneous margin. It is the site of the eyelashes as well as the orifice (opening) of the meibomian glands.

Detailed explanation-3: -Meibomian glands are oil glands along the edge of the eyelids where the eyelashes are found. These glands make oil that is an important part of the eye’s tears.

Detailed explanation-4: -Blepharitis, pronounced bleh-fur-RY-tis, means inflammation of the eyelid. The edges of your lids turn red or dark in color and become swollen and scaly. Blepharitis usually affects both eyes. It can happen when a skin condition causes irritation, when you develop an infection or when oil glands become clogged.

Detailed explanation-5: -The Meibomian glands are large sebaceous glands that are located as separate gland strands in parallel arrangement within the tarsal plates of the eyelids.