Ophtec Precizon Presbyopic 570 A1

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Precizon Presbyopic is a hybrid, acrylic IOL with a CTF (Continuous Transitional Focus) optic designed for the correction of presbyopia.

What makes this lens unique?

  • CTF (Continuous Transitional Focus) optic A CTF optic is an optic with an anterior surface with multiple segments for far and near. A smooth transition from far to near is achieved between the segments. This transition offers a constant defocus between the two sharp focal points, delivering excellent intermediate vision.
  • Continuous Transitional Focus (CTF) optic has an anterior surface with multiple segments for far and near

    A smooth transition from far to near is achieved between the segments, offering a constant defocus between the two focal points, offering excellent

  • Unique refractive CTF optic

    The design offers a reduction in haloes and glares

  • Distribution of zones

    The patient always benefits from the same light distribution for near and far vision, regardless of pupil size.

Description & Technical Specs

Precizon Presbyopic NVA  (570 A1)

  • Aberration negative (-0.11µm)
  • Central far zone size 1.4 x 2.6mm Suitable for patients with large Kappa angle
  • 1.0D to 35.0D (0.5D increments)
  • Power Add 2.75D

CTF is designed for:

  • Natural Vision at all distances The transitional 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
  • Reducing Glare & 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
  • Pupil independence The distribution of the zones is such that in different pupil apertures, under different lighting conditions, the patient can always benefit from the same light distribution for near and far vision.
  • Decentration tolerance In cases of tilt or misalignment, the patient can still benefit from the same near and far vision as the segmented zones allow an equal and steady light distribution
Haptic configuration: Open modified C-loops with offset shaped haptics
Lens Material: Hybrid hydrophobic & hydrophilic monomers. Ultraviolet filtering HEMA/EOEMA Copolymer
Lens colour: Clear
Body Ø: 6.0 mm
Overall Ø: 12.5 mm
Haptic Angle:
Centre thickness range: 0.8 to 1,3 mm
Body edge thickness: 0.4 mm
A-constant ultrasound: 118.0
A-constant optical: 118.6 (SRK T)
118.7 (SRK II)
0.567 (Haigis aO)
0.123 (Haigis a1)
0.159 (Haigis a2)
5.27 (Hoffer-Q pACD)
1.53 (Holladay 1 sf)
1.67 (Barrett suite LF)
0     (Barrett suite DF)