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Palpebral or tarsal conjunctiva Lines the eyelids Bulbar or ocular conjunctiva Covers the eyeball, over the anterior sclera: This region of the conjunctiva is tightly bound to the underlying sclera by Tenon's capsule and moves with the eyeball movements. The average thickness of the bulbar conjunctival membrane is 33 microns.
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.
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.
The later structural changes of trachoma are referred to as "cicatricial trachoma". These include scarring under the eyelid (tarsal conjunctiva) that leads to distortion of the eyelid with buckling of the lid (tarsus) so the lashes rub against the eye (trichiasis). This can lead to corneal opacities and scarring and then to blindness.
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 ...
Palpebral form- Usually upper tarsal conjunctiva of both the eyes is involved. Typical lesion is characterized by the presence of hard, flat-topped papillae arranged in cobblestone or pavement stone fashion. In severe cases papillae undergo hypertrophy to produce cauliflower-like excrescences of 'giant papillae'.
Superior limbic keratoconjunctivitis (SLK, Théodore's syndrome [1]) is a disease of the eye [2] characterized by episodes of recurrent inflammation of the superior cornea and limbus, as well as of the superior tarsal and bulbar conjunctiva. [3] It was first described by F. H. Théodore in 1963. [4]
Glands of Krause are located in the stroma of the conjunctival fornix, and the glands of Wolfring are located along the orbital border of the tarsal plate. [2] These glands are oval and display numerous acini. The acini are surrounded, sometimes incompletely, by a row of myoepithelial cells.