Toric lens for corneal astigmatism after cataract surgery
Alcon company had developed a kind of lens for correct corneal astigmatism after cataract surgery. It is called acrysoft toric lens. As we know, among cataract patients, more than 40% with preoperative corneal astigmatism. It is very stable after implanted, and always rotated less than 4 degree. You should place the axis in the stronger power axis for the lens has a positive cylinder lens. Additionally, the lens’ color is yellow, which could protect your macula effectively. Some type has aspheric design to reduce spheric abberation. The critical step to maintain the direction of the astigmatism axis stable in the phacoemulsification is to aspirate the viscoelastic body.