Basis Z

clear hydrophobic preloaded yellow

The Basis Z is a monofocal aspheric capsular bag lens (available in clear and yellow) with a spherical refractive power of -10 D to +35 D.

The Basis Z Preloaded
sophisticated design, proven application – preloaded for greater efficiency and shorter operating times.

Technical specifications

A-constant* 119.033 (SRK/T)
Haigis-constants* a0 = 0.8751 a1 = 0.2659 a2 = 0.1416
Hoffer Q* 5.60 (pACD)
Holladay 1* 1.809 (SF)
Holladay 2* 5.57 (ACD)
Barrett* 1.90 (LF); N/A (DF)
*As of IOL Con 03/2023
Refractive Index 1,47
Abbe No. 58
Lens type One-piece posterior chamber lens
Sterilisation EO
Material biocompatible hydrophilic acrylic (<0,5%)
Injection system POB-MA
Haptic Z-haptics, 0° angulation
Filter UV filter, blue light filter (optional)
Optic aspheric optics, 360-degree cell barrier

Basis IOLs

The widest variety in the capsular bag: Thanks to a variety of lens designs, optics and materials, the right IOL solution is always at hand.


datasheet – Basis Z hydrophobic preloaded
Overall IOL portfolio
All IOL details at a glance