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  2. Meibomian gland - Wikipedia

    en.wikipedia.org/wiki/Meibomian_gland

    Meibomian gland dysfunction is more often seen in women and is regarded as the main cause of dry eye disease. [ 14 ] [ 15 ] Factors that contribute to meibomian gland dysfunction can include things such as a person's age and/or hormones, [ 16 ] or severe infestation of Demodex brevis mite.

  3. Tarsus (eyelids) - Wikipedia

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

    Along the inner margin of the tarsus are modified sebaceous glands known as tarsal glands (or meibomian glands), aligned vertically within the tarsi: 30 to 40 glands in the upper lid, and 20 to 30 in the lower lid, which secrete a lipid-rich product which helps keep the lacrimal secretions or tears from evaporating too quickly, thus keeping the ...

  4. Meibomian gland dysfunction - Wikipedia

    en.wikipedia.org/wiki/Meibomian_gland_dysfunction

    Meibomian glands in the lower eyelid imaged under amber light to show vasculature support and the gland structure. Meibomian gland dysfunction (MGD, also meibomitis or meibomianitis) is a chronic disease of the meibomian glands, which is commonly characterized by obstruction of the end of the duct that delivers the secretion produced by the glands (called meibum) to the eye surface, which ...

  5. Sebaceous carcinoma - Wikipedia

    en.wikipedia.org/wiki/Sebaceous_carcinoma

    The periocular region, which includes the meibomian, Zeis, and sebaceous glands of the caruncle and eyelid, is the most common site accounting for up to 75% of SGc. [6] Meibomian glands are a type of sebaceous gland that lines the upper and lower eyelids and do not contain a follicle. The glands of Zeis contain the individual eyelash.

  6. Chalazion - Wikipedia

    en.wikipedia.org/wiki/Chalazion

    A chalazion may occur following a stye or from hardened oils blocking the gland. [2] The blocked gland is usually the meibomian gland, but can also be the gland of Zeis. [8] A stye and cellulitis may appear similar. [2] A stye, however, is usually more sudden in onset, painful, and occurs at the edge of the eyelid. [2] Cellulitis is also ...

  7. Eyelid - Wikipedia

    en.wikipedia.org/wiki/Eyelid

    In diseased persons, these may wander and cause a discoloration of the lids. It contains sweat glands and hairs, the latter becoming eyelashes as the border of the eyelid is met. [2] The skin of the eyelid contains the greatest concentration of sebaceous glands found anywhere in the body. [1]

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    mail.aol.com

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  9. Blepharitis - Wikipedia

    en.wikipedia.org/wiki/Blepharitis

    Meibomian gland dysfunction is a result of abnormalities of the meibomian glands and altered secretion of meibum, which plays an imperative role in lagging the evaporation of tear films and smoothing of the tear film to produce an even optical surface.