Ophthalmology Lens fce20b2d Polychromatic lusture is seen in- A Complicated cataract B Diabetes mellitus C Post radiation cataract D Congenital cataract High-Yield Explanation In complicated cataract 'polychromatic luster'ie., appearance of iridescent coloured paicles of reds, greens and blue is a very characteristic sign (Rainbow cataract). IMG REF