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 […]
Read more »Category: Encyclopedia of the Eye
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 […]
Read more »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 […]
Read more »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 […]
Read more »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, […]
Read more »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 […]
Read more »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 […]
Read more »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 […]
Read more »DACRYOCYSTITIS (INFLAMMATION OF THE NASOLACHRYMAL SYSTEM)
Dacryocystitis is the inflammation of the nasolachrymal system, which occurs at children as blenorrhea neonatorum. Causes: Chronic dacryocystitis occurs at nasolachrymal system obstruction, when the bacteria in the nasolachrymal sac […]
Read more »EPIKANTUS – INTERNAL PTERYGIUM (“The third eyelid”)
It is a vertical skin fold to the root of the nose that covers the inner eye corner. Usually it is a congenital malformation and is present in Down syndrome. […]
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July 16, 2012