However, the effect of posterior corneal astigmatism ... were collected for 113 eyes of 101 patients who underwent lens surgery with toric IOL implantation. The required cylinder power was 2.5 ...

In our study, we found that the toric effect is lost at 45 ... an optoelectronic mechanical device was used. A cylindrical lens of –3.75 D was placed in front of the optic bench to simulate ...