Foldable lesn is made up of -: (A) PMMA, (B) Silicon, (C) Hydrogel, (D) None
Answer is B. (IOL are made of (i) PMMA (ragid IOL); (ii) Silicon, acrylic, hydrogel, collamer (foldable IOL). Ref: Khurana 7th/e p.213 & 4th/e p.195)