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Trifocal Bi-Flex Liberty 677M & 677MY

Single piece, sterile, foldable acrylic aspheric hydrophilic posterior chamber intraocular lens (IOL) with UV blocker and blue light filter. The optic is trifocal. The IOL is non-preloaded, which has to be manually loaded into a compatible injector.
Standard Powers:
+8.0 D → +30.0 D (0.5 D steps)
Extreme Powers:
-
Addition (at the IOL plane):
+3.5 D near
+1.75 D intermediate
Material:
Copolymer of hydrophobic and hydrophilic monomers with 25% water content, UV blocker and optional blue light filter
RI:
1,46
Abbe No:
58
Optic Diameter:
6 mm
Overall Diameter:
13 mm
Optic Design:
Aspheric - Aberration Neutral
Biconvex (+8.0 D → +35.0 D)
Nominal A-constant:
118,9
Contact Angle:
-
Diffractive Zone:
3 mm diameter diffractive array on the anterior surface utilizing EPS technology
Haptic Design:
Posterior vaulting fenestrated C-loops with 0° angulation
PCO Prevention:
360° sharp edge
Shelf Life:
5 years after sterilization
Estimated Incision Size:
1,8 - 2,2 mm
Recommended Injector:
Compatibility chart available:
medicontur.com/professionals/compatibility
Trifocal Bi-Flex Liberty Trifocal Bi-Flex Liberty Trifocal Bi-Flex Liberty
Trifocal Bi-Flex Liberty
Trifocal Bi-Flex Liberty
Trifocal Bi-Flex Liberty
LOADING GUIDE VIDEO

References

The most balanced trifocal IOL on the market.

Michael Assouline MD, PhD

France

Downloads

Patient Information Flyer - Cataract
September 2, 2021
Liberty Lifestyle Patient Brochure
August 31, 2021
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Liberty Informative Patient Brochure
September 2, 2021
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Mohamad AAA, Mahdi HA, Alzubaidi AY. - Bi-Flex 677M(Y) Multifocal Liberty - Efficacy of trifocal intraocular lens: visual outcomes and patient satisfaction. Ann Trop Med & Public Health. 2020
November 1, 2020
Assouline M, Bessede L. - Bi-Flex 677M(Y) Multifocal Liberty - Comparaison de quatre implants multifocaux en compensation de la presbytie lors de la chirurgie de la cataracte. Clinique Vision
January 1, 2015
Fernández J. - Bi-Flex 677M(Y) Multifocal Liberty - Liberty: The most balanced trifocal IOL. EuroTimes. 2019. Feb; 24(2): p3.
February 1, 2019
Serdiuk V, Ustymenko S, Fokina S, Ivantsov I. - Bi-Flex 677M(Y) Multifocal Liberty - Comparison of three different presbyopia-correcting intraocular lenses. Rom J Ophthalmol. 2020; 64(4):364-
October 1, 2020
Guadalupe Cervantes-Coste, MD - The Influence of Angle Alpha, Angle Kappa, and Optical Aberrations on Visual Outcomes after the Implantation of a High-Addition Trifocal IOL
March 2, 2022
Liberty datasheet (677M & 677MY) Digital
June 4, 2025
Select languages:
IOL Portfolio Digital
August 27, 2026
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Liberty datasheet (677M & 677MY) Print
October 1, 2025

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MEDICONTUR WORLDWIDE

Medicontur AVI Spain
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Medicontur Medical Engineering Ltd Hungary
Medicontur Cz & Sk Sales office Czech republic & Slovakia
Light Vision S.A Mexico
Polytech Domilens Gmbh Germany
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Tehno Optics Doo Serbia
Spectrum Ophtalmics United Kingdom
Surgivision Ltd. Australia
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C.I.O. - Compagnia Italiana Oftalmologica - S.C.A.R.L. Italy
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Improsur Ltda Bolivia
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Afrique Med Sarl Guinea
Curative Holdings Limited Hong Kong
Negah Teb + Safnamed Iran
Technopia Co. Ltd. Japan
Mst Japan Japan
Group Technology For Scientific Equipment & Supplies Company [Grouptek] Kuwait
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