[Durgical](https://durgical.com/en/) › [DurgiPedia](https://durgical.com/en/durgipedia/) › [Ophthalmology](https://durgical.com/en/ophthalmology/) › Clinical anatomy and physiology

# Clinical anatomy and physiology

Ocular surface, cornea, angle, uvea, retina, optic disc, circulation, orbit, muscles and tear drainage, with what matters in clinic.

11 pages

- [**Blood supply of the retina and choroid** The central retinal artery feeds the inner retina; the ciliary arteries feed the choroid and…](https://durgical.com/en/ophthalmology/blood-supply-of-the-retina-and-choroid/)
- [**Extraocular muscles and the cardinal positions of gaze** Six muscles move each eye, supplied by three nerves](https://durgical.com/en/ophthalmology/extraocular-muscles-and-the-cardinal-positions-of-gaze/)
- [**Tear production and drainage** Tears are made in the upper outer orbit and drain through two small openings at the inner corner…](https://durgical.com/en/ophthalmology/tear-production-and-drainage/)
- [**The anterior chamber and the drainage angle** Aqueous is made behind the iris, flows through the pupil and drains at the angle between iris…](https://durgical.com/en/ophthalmology/the-anterior-chamber-and-the-drainage-angle/)
- [**The cornea: clarity, nerves and healing** The cornea is the clear window at the front of the eye and its strongest lens](https://durgical.com/en/ophthalmology/the-cornea-clarity-nerves-and-healing/)
- [**The lens and zonules through life** The lens grows all life and slowly hardens and clouds](https://durgical.com/en/ophthalmology/the-lens-and-zonules-through-life/)
- [**The optic disc: cup, rim and colour** The optic disc is where a million nerve fibres leave the eye](https://durgical.com/en/ophthalmology/the-optic-disc-cup-rim-and-colour/)
- [**The orbit, orbital septum and eyelids** The orbit is a bony cone with thin walls next to the sinuses](https://durgical.com/en/ophthalmology/the-orbit-orbital-septum-and-eyelids/)
- [**The retina and macula as seen on OCT** The retina is the thin nerve layer lining the back of the eye](https://durgical.com/en/ophthalmology/the-retina-and-macula-as-seen-on-oct/)
- [**The tear film and ocular surface** The tear film is a thin layer of oil, water and mucus that keeps the cornea smooth and clear](https://durgical.com/en/ophthalmology/the-tear-film-and-ocular-surface/)
- [**The uvea: iris, ciliary body and choroid** The uvea is the eye's vascular middle layer: the iris sets the pupil, the ciliary body focuses…](https://durgical.com/en/ophthalmology/the-uvea-iris-ciliary-body-and-choroid/)

## A to Z

- [A](https://durgical.com/en/ophthalmology/a-z/a/)
- [B](https://durgical.com/en/ophthalmology/a-z/b/)
- [C](https://durgical.com/en/ophthalmology/a-z/c/)
- [D](https://durgical.com/en/ophthalmology/a-z/d/)
- [E](https://durgical.com/en/ophthalmology/a-z/e/)
- [F](https://durgical.com/en/ophthalmology/a-z/f/)
- [G](https://durgical.com/en/ophthalmology/a-z/g/)
- [H](https://durgical.com/en/ophthalmology/a-z/h/)
- [I](https://durgical.com/en/ophthalmology/a-z/i/)
- [L](https://durgical.com/en/ophthalmology/a-z/l/)
- [M](https://durgical.com/en/ophthalmology/a-z/m/)
- [N](https://durgical.com/en/ophthalmology/a-z/n/)
- [O](https://durgical.com/en/ophthalmology/a-z/o/)
- [P](https://durgical.com/en/ophthalmology/a-z/p/)
- [R](https://durgical.com/en/ophthalmology/a-z/r/)
- [S](https://durgical.com/en/ophthalmology/a-z/s/)
- [T](https://durgical.com/en/ophthalmology/a-z/t/)
- [V](https://durgical.com/en/ophthalmology/a-z/v/)
- [W](https://durgical.com/en/ophthalmology/a-z/w/)

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Educational content; not a clinical guideline and no substitute for assessment by a health professional. For sudden visual loss, severe eye pain, a chemical burn or an eye injury, go to an emergency department at once.

Representative model, for educational purposes only.

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Source: https://durgical.com/en/ophthalmology/areas/anatomy-physiology/
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite as: DurgiPedia (durgical.com), https://durgical.com/en/ophthalmology/areas/anatomy-physiology/