[Durgical](https://durgical.com/en/) › [DurgiPedia](https://durgical.com/en/durgipedia/) › [General pathology](https://durgical.com/en/general-pathology/) › Eye # Eye Orbit, eyelid, conjunctiva, cornea, uvea, retina, optic nerve and eye tumours. 13 pages - [**Cataract** A cataract is a cloudy lens; it is the leading cause of blindness in the world and is cured by…](https://durgical.com/en/general-pathology/cataract/) - [**Conjunctiva: conjunctivitis, trachoma and pterygium** The conjunctiva reacts to infection, allergy and sun: trachoma scars it and can blind; pterygium…](https://durgical.com/en/general-pathology/conjunctiva-conjunctivitis-trachoma-and-pterygium/) - [**Cornea and sclera: keratitis, dystrophies and scleritis** The clear cornea can be infected, scarred, thinned or clouded with fluid; the white sclera can…](https://durgical.com/en/general-pathology/cornea-and-sclera-keratitis-dystrophies-and-scleritis/) - [**Diabetic and hypertensive retinopathy** Diabetes and high blood pressure damage the retina's small vessels, causing leakage, bleeding…](https://durgical.com/en/general-pathology/diabetic-and-hypertensive-retinopathy/) - [**Glaucoma and the optic nerve** Glaucoma is damage to the optic nerve, usually with high eye pressure, that slowly narrows the…](https://durgical.com/en/general-pathology/glaucoma-and-the-optic-nerve/) - [**Intraocular inflammation: uveitis and endophthalmitis** Inflammation inside the eye can come from immune disease, infection or injury; severe or lasting…](https://durgical.com/en/general-pathology/intraocular-inflammation-uveitis-and-endophthalmitis/) - [**Intraocular tumours: uveal melanoma and retinoblastoma** Uveal melanoma is the main eye cancer of adults and spreads to the liver; retinoblastoma is the…](https://durgical.com/en/general-pathology/intraocular-tumours-uveal-melanoma-and-retinoblastoma/) - [**Macular degeneration and retinitis pigmentosa** Macular degeneration destroys central vision in older adults; retinitis pigmentosa is an…](https://durgical.com/en/general-pathology/macular-degeneration-and-retinitis-pigmentosa/) - [**Optic neuropathies** The optic nerve can be starved of blood, swollen by raised brain pressure, inflamed or poisoned…](https://durgical.com/en/general-pathology/optic-neuropathies/) - [**Orbital disease** Anything that fills the orbit pushes the eye forward: swollen muscles in Graves disease…](https://durgical.com/en/general-pathology/orbital-disease/) - [**Other retinal vascular disease: ROP and occlusions** Premature birth, sickle cell disease, inflammation, radiation and blocked arteries or veins all…](https://durgical.com/en/general-pathology/other-retinal-vascular-disease-rop-and-occlusions/) - [**Retinal detachment** Retinal detachment is the neural retina peeling off its pigment layer; without blood supply from…](https://durgical.com/en/general-pathology/retinal-detachment/) - [**Tumours of the eyelid and conjunctiva** Most eyelid cancers are basal cell carcinomas; sebaceous carcinoma can look like a simple…](https://durgical.com/en/general-pathology/tumours-of-the-eyelid-and-conjunctiva/) ## A to Z - [A](https://durgical.com/en/general-pathology/a-z/a/) - [B](https://durgical.com/en/general-pathology/a-z/b/) - [C](https://durgical.com/en/general-pathology/a-z/c/) - [D](https://durgical.com/en/general-pathology/a-z/d/) - [E](https://durgical.com/en/general-pathology/a-z/e/) - [F](https://durgical.com/en/general-pathology/a-z/f/) - [G](https://durgical.com/en/general-pathology/a-z/g/) - [H](https://durgical.com/en/general-pathology/a-z/h/) - [I](https://durgical.com/en/general-pathology/a-z/i/) - [J](https://durgical.com/en/general-pathology/a-z/j/) - [K](https://durgical.com/en/general-pathology/a-z/k/) - [L](https://durgical.com/en/general-pathology/a-z/l/) - [M](https://durgical.com/en/general-pathology/a-z/m/) - [N](https://durgical.com/en/general-pathology/a-z/n/) - [O](https://durgical.com/en/general-pathology/a-z/o/) - [P](https://durgical.com/en/general-pathology/a-z/p/) - [R](https://durgical.com/en/general-pathology/a-z/r/) - [S](https://durgical.com/en/general-pathology/a-z/s/) - [T](https://durgical.com/en/general-pathology/a-z/t/) - [U](https://durgical.com/en/general-pathology/a-z/u/) - [V](https://durgical.com/en/general-pathology/a-z/v/) - [W](https://durgical.com/en/general-pathology/a-z/w/) [← General pathology](https://durgical.com/en/general-pathology/) 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. --- Source: https://durgical.com/en/general-pathology/areas/eye/ License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite as: DurgiPedia (durgical.com), https://durgical.com/en/general-pathology/areas/eye/