<prompt> 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?Cortical cataractMorgagnian cataractNuclear cataractSteroid induced cataract  <response>: Ans. d Steroid induced cataractRef: Duckers ophthalmology 2e, p. 412; Parsons 20e, p. 251Steroid induced cataract is posterior subcapsular which causes the said complaints due to its central position. Age favours PSC than nuclear cataract. 