This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea and sclera, Subject name: Ophthalmology
A patient on amiodarone is diagnosed to have cornea veicillate. What should be management- 
Select and explain. 
A. Stop the drug, B. Penetrating keratoplasty, C. Lamellar keratoplasty, D. Observation
A: Stop the drug
Answer: A: Stop the drug 
Explanation: This is a whorl-like opacity in the corneal epithelium seen in patients on long term treatment with medication such as amiodarone,chloroquine,phenothiazine and indomethacin. occasionally the condition has been known to cause glare and surface discomfo which responds to topical lubricants. REF:Parson's disease of eye,20th edition,pg no.206.