II. Definition
- Corneal Inflammation
III. Etiology
- Secondary to Scleritis or Episcleritis
- Superficial punctate Keratitis (pinpoint Corneal lesions)
- Exposure to sun or Sunlamp (UV Keratitis)
- Arc-welding
- Contact Lens overuse
- Corneal Abrasion from foreign body
- Infection
- Bacterial Keratitis (esp. Contact Lens wear)
- Pseudomonas (esp. yellow-green discharge)
- Staphylococcus aureus
- Serratia
- Viral Keratitis
- Parasitic Keratitis
- Acanthamoeba (esp. poor Contact Lens hygiene or water exposure while wearing)
- Bacterial Keratitis (esp. Contact Lens wear)
IV. Symptoms
- Moderate to severe Eye Pain
- Moderate to severe Foreign body Sensation
- Blurred Vision
- Watery to mucopurulent Eye Discharge
- Photophobia
- Eye tearing
- Painful Red Eye
V. Signs
- Conjunctival injection and Ciliary Flush
- Corneal vascularization (sclerosing Keratitis)
- Corneal Opacification (sclerosing Keratitis)
- Decreased Visual Acuity (depending on location)
- Normal or reduced pupil size
-
Fluorescein Staining for Corneal Epithelial Disruption
- Keratitis may have a more diffuse uptake
- Corneal Ulcer (Ulcerative Keratitis)
- Hypopyon
VI. Management
- Ophthalmology Consultation