IOL calculators

Calculate IOLs precisely – for the most accurate implantation possible.

Focus on refractive precision landing

With 1stQ’s IOL calculators, you can easily enter all measurement parameters and calculate the appropriate IOL at the press of a button. Incision axes are precisely visualized and can be printed in large scale. Furthermore, it is also possible to directly order the appropriate lenses online.

AddOn® Calculator

1stQ AddOn Calculator for calculating sulcus-fixated AddOn IOLs. The calculator for precise fine refraction in pseudophakic eyes.

  • Convenient calculation of trifocal, EDOF, toric and monofocal AddOn IOLs
  • With a special AddOn IOL anamnesis
  • Compatible with commonly used diagnostic devices
  • Online orders possible

Disclaimer and declaration of consent
The 1stQ AddOn Calculator is provided without any warranty of any kind. The calculated values and information provided are only indicative for the surgeon and do not replace the medical expertise of the surgeon. 1stQ accepts no liability for the accuracy of the values calculated with the 1stQ AddOn Calculator.

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Cylinder Calculator

1stQ Cylinder Calculator for the precise calculation of toric lenses

  • Precise visualization of incision axes
  • All axis data for large-scale printout
  • Compatible with all commonly used diagnostic devices
  • Online orders possible

Disclaimer and declaration of consent
The 1stQ Cylinder Calculator is provided without any warranty of any kind. The calculated values and information provided are only indicative for the surgeon and do not replace the medical expertise of the surgeon. 1stQ accepts no liability for the accuracy of the values calculated with the 1stQ Cylinder Calculator.

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Axis Repositioning Tool

1stQ Axis Repositioning Tool for the re-positioning of toric lenses.

  • Convenient rotary simulation with result verification
  • Precise visualization of incision axes
  • Compatible with all commonly used diagnostic devices

Disclaimer and declaration of consent
The 1stQ Axis Repositioning Tool is provided without any warranty of any kind. The calculated values and information provided are only indicative for the surgeon and do not replace the medical expertise of the surgeon. 1stQ accepts no liability for the accuracy of the values calculated with the 1stQ Axis Repositioning Tool.

Open the Axis Repositioning Tool

IOL Calculator

Disclaimer and declaration of consent
1stQ IOL Calculator is provided without warranty of any kind. The calculated values and information are indicative for the surgeon and do not replace the medical expertise of the surgeon. 1stQ disclaims all warranties related to the accuracy of the calculated values with 1stQ IOL Calculator. 

Open IOL Calculator