Category: Encyclopedia of the Eye

CORNEAL EROSION

CORNEAL EROSION

Since the corneal epithelium and its basement membrane are of different embryological origin, the connection between them is weak. Therefore even a small trauma can cause erosion, i.e. the separation […]

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DEGENERATIONS OF THE CORNEA

DEGENERATIONS OF THE CORNEA

Those are acquired diseases which are associated with earlier corneal diseases (inflammation, injury, surgery on the cornea, lagophtalmus), metabolic disorders, atrophy of the eyeball or of unknown causes. Depending on […]

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KERATOCONUS

KERATOCONUS

Keratoconus is a disease of the eye, specifically of the cornea. Cornea, which is normally in hemispherical form, gradually becomes thinner and bulges like a cone. The disorder of the […]

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OPTIC NEURITIS

OPTIC NEURITIS

visible part – optic disc (papillitis of the optic nerve) or the part of the nerve behind the eyeball (retrobulbar neuritis). Symptoms: Symptoms of optic neuritis are loss of vision […]

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ORBITAL PSEUDO-TUMOR

Orbital pseudo-tumor is a common name for idiopathic inflammatory processes in the orbit: myositis, vasculitis, pseudolimfoma and granulomatous inflammation.   Symptoms: Unlike thyroid ophthalmopathy, proptosis is usually unilateral. Besides proptosis, […]

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CELLULITIS

CELLULITIS (INFLAMMATION OF THE ORBIT)

Results of the direct orbit infection are cellulitis, creation of orbital abscess, phlegmonosus inflammation of orbital fat tissue with gradual development of endophlebitis and periphlebitis. Causes: Inflammations of the orbit […]

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DACRYOADENITIS (INFLAMMATION OF LACHRYMAL GLANDS)

Dacryoadenitis (lat. dacryoadenitis) is the inflammation of lachrymal glands.   Causes: Acute dacryoadenitis (dakrioadenitis acuta) is mostly caused by viral or bacterial infections. Common causes include mumps, Epstein-Barr virus, and […]

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SUBCONJUCTIVAL HEMORRAGE (HIYPOSPHAGMA)

It is the breaking of the blood vessels in the conjunctiva. Blood reddens the conjunctiva. It is usually spontaneous, completely painless, more frequently in hypertensive patients and elderly people, especially […]

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