Protozoan Keratitis — MCQs

A patient presents with urethral discharge. Gram stain shows intracellular gram-negative diplococci. What is the causative organism?

Unilateral frontal blisters with upper lid edema and conjunctivitis is seen in?

A young boy who used to wash his contact lenses in tap water or with unhygienic lens fluid developed keratitis. Microscopy revealed an organism with spiked or star-shaped structures. Identify the correct organism responsible.

Herpetic keratitis is treated by which of the following?

In a patient suspected to have Rabies, a corneal smear sample was taken. Which of the following is the MOST SENSITIVE investigation for this specimen?

Interstitial keratitis is associated with all of the following except:

A 56 year old patient presents after 3 days of cataract surgery with a history of increasing pain and diminution of vision after an initial improvement. The most likely cause would be:

Corneal vascularization is caused by which of the following?

Which of the following will be the most important adjuvant therapy in a case of fungal corneal ulcer?

In microcornea, the diameter of the cornea is less than: