Diameter of the Vossius&;s ring is
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
Equal to normal pupil
Smaller than the normal pupil
Slightly larger than the normal pupil
Much larger than the normal pupil
Ocular trauma 