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The tarsi (sg.: tarsus) or tarsal plates are two comparatively thick, elongated plates of dense connective tissue, about 10 mm (0.39 in) in length for the upper eyelid and 5 mm for the lower eyelid; one is found in each eyelid, and contributes to its form and support.
Meibomian glands (also called tarsal glands, palpebral glands, and tarsoconjunctival glands) are sebaceous glands along the rims of the eyelid inside the tarsal plate. They produce meibum , an oily substance that prevents evaporation of the eye's tear film .
Blepharitis, sometimes known as granulated eyelids, is one of the most common ocular conditions characterized by inflammation, scaling, reddening, and crusting of the eyelid. This condition may also cause swelling, burning, itching, or a grainy sensation when introducing foreign objects or substances to the eye.
Eyelid edema is a condition in which the eyelids are swollen and tissues contain excess fluid. It may affect eye function when it increases the intraocular pressure. Eyelid edema is caused by allergy, trichiasis or infections. [4] The main symptoms are swollen red eyelids, pain, and itching. Chronic eyelid edema can lead to blepharochalasis.
Along with facial swelling, if you also have difficulty breathing, swelling of the tongue or lips, confusion, or pain, get medical attention, Dr. Davis emphasizes. Also, seek care if your eyelids ...
In the eyelids, meibomian glands, also called tarsal glands, are a type of sebaceous gland that secrete a special type of sebum into tears. Surrounding the female nipples , areolar glands are specialized sebaceous glands for lubricating the nipples.
The eyelid is injected with a local anesthetic, a clamp is put on the eyelid, then the eyelid is turned over, an incision is made on the inside of the eyelid, and the chalazion is drained and scraped out with a curette. A scar on the upper lid can cause discomfort as some people feel the scar as they blink.
The lacrimal papilla is an elevation in the inner side of the eyelid, at the edge of the lacrimal lake. [10] The lacrimal canaliculi open into the papilla. [10] The opening of each canaliculus is the lacrimal punctum. From the punctum, tears will enter the lacrimal sac, [2] then on to the nasolacrimal duct, and finally into the nasal cavity. [10]