This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
A patient presents to the emergency depament with uniocular diplopia. Examination with oblique illumination shows golden crescent while examination with co-axil illumination show a dark crescent line. Which of the following is the most likely diagnosis: 
Select and explain. 
A. Lenticonus, B. Coloboma, C. Microspherophakia, D. Ectopia lentis
D: Ectopia lentis
Answer: D: Ectopia lentis 
Explanation: Ans. Ectopia lentis