This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitreous and retina, Subject name: Ophthalmology
Most common site for retinal break is 
Select and explain. 
A. Upper temporal, B. Lower temporal, C. Upper nasal, D. Lower nasal
A: Upper temporal
Answer: A: Upper temporal 
Explanation: Upper temporal region is most common site for retinal break The mechanism most commonly involves a break in the retina that then allows the fluid in the eye to get behind the retina. A break in the retina can occur from a posterior vitreous detachment, injury to the eye, or inflammation of the eye. Other risk factors include being sho sighted and previous cataract surgery Reference: Aravind FAQS in Ophthalmology; First Edition; Page no: 371