Eye
Orbit, eyelid, conjunctiva, cornea, uvea, retina, optic nerve and eye tumours.
13 pages
- CataractA cataract is a cloudy lens; it is the leading cause of blindness in the world and is cured by…
- Conjunctiva: conjunctivitis, trachoma and pterygiumThe conjunctiva reacts to infection, allergy and sun: trachoma scars it and can blind; pterygium…
- Cornea and sclera: keratitis, dystrophies and scleritisThe clear cornea can be infected, scarred, thinned or clouded with fluid; the white sclera can…
- Diabetic and hypertensive retinopathyDiabetes and high blood pressure damage the retina's small vessels, causing leakage, bleeding…
- Glaucoma and the optic nerveGlaucoma is damage to the optic nerve, usually with high eye pressure, that slowly narrows the…
- Intraocular inflammation: uveitis and endophthalmitisInflammation inside the eye can come from immune disease, infection or injury; severe or lasting…
- Intraocular tumours: uveal melanoma and retinoblastomaUveal melanoma is the main eye cancer of adults and spreads to the liver; retinoblastoma is the…
- Macular degeneration and retinitis pigmentosaMacular degeneration destroys central vision in older adults; retinitis pigmentosa is an…
- Optic neuropathiesThe optic nerve can be starved of blood, swollen by raised brain pressure, inflamed or poisoned…
- Orbital diseaseAnything that fills the orbit pushes the eye forward: swollen muscles in Graves disease…
- Other retinal vascular disease: ROP and occlusionsPremature birth, sickle cell disease, inflammation, radiation and blocked arteries or veins all…
- Retinal detachmentRetinal detachment is the neural retina peeling off its pigment layer; without blood supply from…
- Tumours of the eyelid and conjunctivaMost eyelid cancers are basal cell carcinomas; sebaceous carcinoma can look like a simple…
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Educational content on the mechanisms of disease; not a diagnostic or treatment guide and no substitute for a health professional's advice. No doses are given.
Representative model, for educational purposes only.