Pterygium: Difference between revisions
(Added photo) |
No edit summary |
||
| Line 5: | Line 5: | ||
**Begins near the medial canthus and grows laterally | **Begins near the medial canthus and grows laterally | ||
*Risk factors | *Risk factors | ||
** | **Sunlight (UV) exposure | ||
**Windy, sandy and dusty environments | **Windy, sandy and dusty environments | ||
**More common near the equator | |||
[[File:Pterygium.png|thumb|Pterygium]] | [[File:Pterygium.png|thumb|Pterygium]] | ||
Revision as of 05:23, 11 August 2015
Background
- Also known as "Surfer's eye"
- Benign scleral growth
- Mass of collagen degeneration and fibroblastic proliferation
- Begins near the medial canthus and grows laterally
- Risk factors
- Sunlight (UV) exposure
- Windy, sandy and dusty environments
- More common near the equator
Clinical Features
- Triangular visible white-colored mass on medial side of sclera
- Foreign body sensation with irritation, pruritis, tearing, dryness
- Vision impairment (when pterygium has crossed the limbus
Differential Diagnosis
Ocular Diagnoses
- Acute angle-closure glaucoma
- Conjunctival abrasion
- Corneal foreign body
- Corneal ulcer
- Episcleritis
- Painful eyes with normal exam
- Pterygium
- Scleritis
- Traumatic hyphema
- Uveitis
- Pinguecula
Diagnosis
- Clinical diagnosis, based on history and physical exam
Management
- Naphazoline/ketorolac (NSAID) drops (if symptomatic)
Disposition
- Discharge with ophtho follow-up (can be surgically corrected/removed)