Contrast sensitivity after implantation of diffractive bifocal and monofocal intraocular lens.

Haaskjold E, Allen D, Burton R, Webber S, Sandvig K, Jyrkkio H, Leite E, Liekfeld A, Philipson B, Nystrom A, Wollensak J

J. Cataract. Refract. Surg. 1998; 24: 653-658.

1998