Orthokeratology — MCQs

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.

A 15-year-old girl with myopic astigmatism does not want to wear glasses. What is the best alternative for her?

Which keratometry reading is most accurate in post-LASIK eyes for IOL power calculation?

Astigmatism is defined as?

1mm change in axial length of the eyeball would change the refracting power of the eye by?

What is the most common infection in contact lens users?

Shortening of 2 mm of axial length of the eyeball causes?

Which condition is associated with pseudoproptosis?

Ectopia lentis is a feature of which of the following conditions?

Rosette-shaped cataract is seen in which of the following conditions?