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  2. Tarsus (eyelids) - Wikipedia

    en.wikipedia.org/wiki/Tarsus_(eyelids)

    The superior tarsus (tarsus superior; superior tarsal plate), the larger, is of a semilunar form, about 10 mm (0.4 in) in breadth at the center, and gradually narrowing toward its extremities. It is adjoined by the superior tarsal muscle. To the anterior surface of this plate the aponeurosis of the levator palpebrae superioris is attached.

  3. Meibomian gland - Wikipedia

    en.wikipedia.org/wiki/Meibomian_gland

    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 .

  4. Blepharitis - Wikipedia

    en.wikipedia.org/wiki/Blepharitis

    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.

  5. Eyelid - Wikipedia

    en.wikipedia.org/wiki/Eyelid

    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.

  6. Sebaceous gland - Wikipedia

    en.wikipedia.org/wiki/Sebaceous_gland

    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.

  7. Chalazion - Wikipedia

    en.wikipedia.org/wiki/Chalazion

    A chalazion (/ k ə ˈ l eɪ z i ə n /; plural chalazia or chalazions) or meibomian cyst [4] is not a cyst but a granuloma [5] in the eyelid that results from a blocked meibomian gland. [6] [7] It typically occurs in the middle of the eyelid, red, and not painful. [2] They tend to come on gradually over a few weeks. [2]

  8. Tears - Wikipedia

    en.wikipedia.org/wiki/Tears

    Meibomian glands (or tarsal glands) Coats the aqueous layer, provides a hydrophobic barrier that envelops tears and prevents their spilling onto the cheek. These glands are located among the tarsal plates, and thus deposit the tear fluid between the eye proper and the oil barriers of the lids. [2] Aqueous layer

  9. Conjunctivitis - Wikipedia

    en.wikipedia.org/wiki/Conjunctivitis

    Conjunctivitis, also known as pink eye or Madras eye, [4] [5] is inflammation of the conjunctiva and the inner surface of the eyelid. [6] It makes the eye appear pink or reddish. [1] Pain, burning, scratchiness, or itchiness may occur. [1] The affected eye may have increased tears or be "stuck shut" in the morning. [1] Swelling of the sclera ...