<prompt> Krukenberg spindles -Involves anterior surface of corneaInvolves anterior lens surfaceInvolves posterior surface of corneaInvolves posterior surface of lens  <response>: Deposition of pigment granules in posterior surface of cornea is called krukenbergs spindle it is seen in pigment dispersion syndrome Ref:Comprehensive ophthalmology -6th edition chapter -10 page no :250 