This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ocular trauma , Subject name: Ophthalmology
Diameter of the Vossius&;s ring is 
Select and explain. 
A. Equal to normal pupil, B. Smaller than the normal pupil, C. Slightly larger than the normal pupil, D. Much larger than the normal pupil
B: Smaller than the normal pupil
Answer: B: Smaller than the normal pupil 
Explanation: Vossius ring: It is a circular ring of brown pigment seen on the anterior capsule. It occurs due to striking of the contracted pupillary margin against the crystalline lens due to blunt trauma. It is always smaller than the size of the pupil. Ref:- A K KHURANA; pg num:-405