However, evaluating the outcome of surgery for astigmatism presents particular difficulties ... 61 62 In effect the procedure cuts a minus cylinder from the corneal surface, so minus cylinder notation ...

Patients expect their vision to improve after cataract surgery ... cylinder errors by a suitable method. Guided by preoperative corneal topography, patients with varying degrees of corneal ...

For patients with astigmatism, enVista Aspire Toric IOLs provide a proven option for treatment of their astigmatism during cataract surgery. Featuring a +0.90 cylinder design, the enVista toric ...