Novis C
Optiklin Eye Hospital, Benoni, South Africa.
Surv Ophthalmol. 1997 Nov-Dec;42(3):268-70. doi: 10.1016/s0039-6257(97)00091-x.
An intraocular lens with a given cylindrical power will correct a variable amount of cylinder at the spectacle plane. This variability depends not only on the vertex distance but also on the degree of ametropia. The amount of spectacle cylinder corrected will be more for myopes and less for hyperopes. Anterior corneal cylinder (as determined by the keratometer) is a more reliable way of estimating the cylinder needed at the intraocular lens plane.
具有给定柱镜度数的人工晶状体在眼镜平面上矫正的柱镜量是可变的。这种变异性不仅取决于顶点距离，还取决于屈光不正的程度。近视患者矫正的眼镜柱镜量会更多，远视患者则更少。前角膜柱镜（由角膜曲率计测定）是估计人工晶状体平面所需柱镜的更可靠方法。
