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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. [2] Fornix conjunctiva
Conjunctival squamous cell carcinoma (conjunctival SCC) and corneal intraepithelial neoplasia comprise ocular surface squamous neoplasia (OSSN). SCC is the most common malignancy of the conjunctiva in the US, with a yearly incidence of 1–2.8 per 100,000.
Chemosis is the swelling (or edema) of the conjunctiva. The term derives from the Greek words cheme and -osis, cheme meaning cockleshell due to the swollen conjunctiva resembling it, and -osis meaning condition. [1] The swelling is due to the oozing of exudate from abnormally permeable capillaries. In general, chemosis is a nonspecific sign of ...
Advanced conjunctival carcinoma protruding through the palpebral fissure. Conjunctival Kaposi's sarcoma [12] Epibulbar dermoid [13] Malignant conjunctival tumors [14] Lymphoma of the conjunctiva [15] Melanoma and PAM with atypia [16] Pigmented conjunctival tumors [17] Pingueculum [18] Pterygium [19] Squamous carcinoma and intraepithelial ...
A pinguecula is a common type of conjunctival stromal degeneration in the eye. It appears as an elevated yellow-white plaque in the bulbar conjunctiva near the limbus. [ 1 ] Calcification may also be seen occasionally.
A thin layer called the conjunctiva sits on top of this. The front part is also called the anterior segment of the eye. The eye is not shaped like a perfect sphere; rather it is a fused two-piece unit, composed of an anterior (front) segment and the posterior (back) segment. The anterior segment is made up of the cornea, iris and lens.
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]
Bulbar form- It is characterised by dusky red triangular congestion of bulbar conjunctiva in palpebral area, gelatinous thickened accumulation of tissue around limbus and presence of discrete whitish raised dots along the limbus (Tranta's spots). Mixed form- Shows the features of both palpebral and bulbar types.