[Durgical](https://durgical.com/en/) › [DurgiPedia](https://durgical.com/en/durgipedia/) › [Ophthalmology](https://durgical.com/en/ophthalmology/) › Approach by symptom

# Approach by symptom

Red eye, sudden, progressive or transient visual loss, eye pain, diplopia, leukocoria, floaters and flashes, anisocoria and more.

14 pages

- [**Anisocoria: which pupil is abnormal** Unequal pupils are often normal](https://durgical.com/en/ophthalmology/anisocoria-which-pupil-is-abnormal/)
- [**Double vision: monocular or binocular** Cover one eye](https://durgical.com/en/ophthalmology/double-vision-monocular-or-binocular/)
- [**Drooping eyelid (ptosis)** Most drooping lids in older adults are a stretched tendon](https://durgical.com/en/ophthalmology/drooping-eyelid/)
- [**Eye pain and painful visual loss** Eye pain with reduced vision is almost always serious](https://durgical.com/en/ophthalmology/eye-pain-and-painful-visual-loss/)
- [**Floaters and flashes** New floaters and flashes are usually the vitreous gel peeling off the retina](https://durgical.com/en/ophthalmology/floaters-and-flashes/)
- [**Gradual visual loss in adults** Vision fading over months is usually glasses, cataract, glaucoma or macular degeneration](https://durgical.com/en/ophthalmology/gradual-visual-loss-in-adults/)
- [**Leukocoria: the white pupil** A white pupil in a child, in the exam or in a flash photo, can be a retinal cancer](https://durgical.com/en/ophthalmology/leukocoria-the-white-pupil/)
- [**Localising a visual field defect** The shape of a field defect shows the lesion: one eye is the eye or optic nerve, both temples…](https://durgical.com/en/ophthalmology/localising-a-visual-field-defect/)
- [**Proptosis and periorbital swelling** A bulging eye in an adult is usually thyroid disease; in a child with fever, orbital infection](https://durgical.com/en/ophthalmology/proptosis-and-periorbital-swelling/)
- [**Red eye: what is serious and what is not** Most red eyes are conjunctivitis or a small bleed and settle alone](https://durgical.com/en/ophthalmology/red-eye-what-is-serious-and-what-is-not/)
- [**Sudden painless visual loss** Vision lost in minutes or hours without pain is an emergency: the retina, optic nerve or brain…](https://durgical.com/en/ophthalmology/sudden-painless-visual-loss/)
- [**The swollen optic disc: papilloedema or not** Two swollen optic discs mean raised pressure in the skull until imaging says otherwise](https://durgical.com/en/ophthalmology/the-swollen-optic-disc-papilloedema-or-not/)
- [**The watering eye (epiphora)** A watery eye makes too many tears or drains them poorly](https://durgical.com/en/ophthalmology/the-watering-eye/)
- [**Transient visual loss (amaurosis fugax)** Vision that goes dark in one eye for minutes and comes back is a warning stroke of the eye](https://durgical.com/en/ophthalmology/transient-visual-loss/)

## 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/approach/
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite as: DurgiPedia (durgical.com), https://durgical.com/en/ophthalmology/areas/approach/