Disorders of Cornea/Iris

Question 1

• Agressive Corneal infx. Contact wearing and trauma can precipitate.
• P. aerugionosa most common
• Hazy cornea w/ central ulcer and adjacent stromal abscess. Hyponyon
• Can culture
• Fluroquinolone

Answer 1

Bacterial Keratitis

Question 2

• Dendritic ulcer. Decreased corneal sensation and increased corneal opacity with subsequent recurrences.
• HSV
• Topical antivirals and steroids

Answer 2

HSV Keratitis

Question 3

• Indolent. Cornea w/ multiple stromal abscesses
• Seen after injury and in contact wearers
• Culture
• Natamycin. Systemic imidazoles. Corneal grafting often required.

Answer 3

Fungal Keratitis

Question 4

• Malaise, fever, HA, periorbital burning/itching precedes conjungtivitis, keratitis, episcleritis, increased IOP
• Acyclovir, topical steroids

Answer 4

Herpes Zoster Opthalmicus

Question 5

• Seen in contact wearers

- Severe pain w/ perineural an ring infiltrates in corneal stroma.

Answer 5

Acanthamoeba Keratitis

Question 6

• Ultraviolet Burns of Cornea
• Symptoms not immediate, develop 6-12hrs later–> Immense pain and photophobia
• Cyclopentolate

Answer 6

Ultraviolet Keratitis