Multifocal intraocular lens Precizon NVA 570A1

presbyopia

Precizon Presbyopic is a hydrophilic acrylic IOL with a CTF (Continuous Transitional Focus) optic designed to correct presbyopia. Reduces glare & halos Decentration tolerance Natural vision at all distances The Precizon Presbyopic is designed with a patented CTF optic. This is an optic that has multiple segments for far and near on its anterior surface. Between the segments, a smooth transition from far to near is achieved. This transition offers a constant defocus between the two sharp focal points, delivering excellent intermediate vision. Designed for... Natural vision at all distances The transition zones of the CTF optic offer a full range of vision from near to infinity with a smooth continuous transition. The CTF aspheric surface forms a broad beam of light, a zone with an enhanced depth of focus with uninterrupted high-quality images for the brain to translate into clear vision at all distances. Decentration tolerance In cases of tilt or misalignment, the patient can still benefit from near and far vision as the segmented zones allow a steady light distribution. Reducing glare and halos The misalignment tolerance and the use of segments instead of concentric rings reduce photic phenomena thereby helping patients to adapt more naturally to their new vision. Specifications Optic type - Aberration Negative (- 0.11 μm), Continuous Transition Focus (CTF) optic Central far zone size Y/X - 1.4 / 2.6 mm First near segment direction (in / out) - outwards Rotated segment width - 0.60 mm Number of segment rings - 3 n UV cut off - <10% @370 nm Refractive Index - 1.46 Abbe number - 47 Optic Powers - +1.0 D to + 35.0 D (0.5 D increments) Power add +2.75 D