###Rationale: Ans. (d) Steroid induced cataractRef: Ducker's ophthalmology 2/e, p. 412; Parson's 20/e, p. 251Steroid induced cataract is posterior subcapsular which causes the said complaints due to its central position. Age favours PSC than nuclear cataract.

###Answer: OPTION D IS CORRECT.
###Question: A male 30 years of age complaints of poor vision in day light which improves in dim light. Which of the following is the most common cause?
###Options:
A. Cortical cataract
B. Morgagnian cataract
C. Nuclear cataract
D. Steroid induced cataract
