Fungal Keratitis — Flashcards

Flashcard 1: Drug of choice for fungal corneal ulcer:

Answer: Natamycin

Flashcard 2: _____ corneal ulcer is caused by trauma with vegetative or organic matter.

Answer: Fungal

Flashcard 3: Hypopyon is thick and immobile in _____ corneal ulcer

Answer: fungal

Flashcard 4: Hypopyon in a _____ corneal ulcer is sterile

Answer: bacterial

Flashcard 5: _____ is the commonest cause of infectious keratitis after corneal transplantation in developed countries.

Answer: Pneumococcus/ Staph. aureus

Flashcard 6: Hypopyon is fluid and mobile in _____ corneal ulcer

Answer: bacterial

Flashcard 7: Which stain is used to identify granular dystrophy of the cornea? _____

Answer: Masson's trichrome

Flashcard 8: The following result on Placido disk test will be seen in _____

Answer: keratoconus

Flashcard 9: The following result on Placido disk test will be seen in _____

Answer: corneal astigmatism

Flashcard 10: What are the common causes of interstitial keratitis? (Consider granulomatous, protozoal, and mycobacterial causes)

Answer: • Syphilis (most common cause) • Tuberculosis • Leprosy • Acanthamoeba • Cogan syndrome • Lyme disease

Extra: Clinical features of interstitial keratitis include a 'salmon patch' appearance (active stage) and 'ghost vessels' (healed stage). Cogan syndrome is a rare systemic disease characterized by interstitial keratitis and vestibuloauditory symptoms (vertigo, tinnitus, and sensorineural hearing loss).