Fig. 120. Human LEC migration is inhibited by the discontinuous relatively square-edged PMMA plano convex optic. Subsequent studies in rabbits show similar LEC migration inhibition of square-edged AcrySof® optics and similar inhibition by square-edged PMMA optics. (From : Nishi O, Kishi K. Preventing posterior capsule opacification by creating a discontinuous sharp bend in the capsule. J Cataract Refract Surg 25:521, 1999.)