Global site
Back

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
Select languages:
Liberty Informative Patient Brochure
September 2, 2021
Select languages:
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
December 2, 2025
Select languages:
Liberty datasheet (677M & 677MY) Print
October 1, 2025

Other products:

Q-Flex Trifocal
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.
More details
1stQ AddOn® Trifocal
Single-piece, sterile, foldable acrylic aspheric hydrophilic posterior chamber intraocular lens (IOL) with UV blocker. The optic is trifocal. The IOL is non-preloaded and has to be manually loaded into a compatible injector.
More details
Bi-Flex T Preloaded
Single piece, sterile, foldable acrylic aspheric hydrophilic posterior chamber intraocular lens (IOL) with UV blocker, optically with blue light filter. The optic is monofocal toric. The IOL is preloaded, which is part of an injection system, delivered in a special lens holder, that must be inserted into a dedicated injector before implantation.
More details

MEDICONTUR WORLDWIDE

Medicontur AVI Spain
Medicontur France France
Medicontur AVI Portugal
Medicontur Medical Engineering Ltd Hungary
Medicontur CZ s.r.o. Sales office Czech republic & Slovakia
Care Access IKE Greece
LIGHT VISION SA DE CV Mexico
Polytech Domilens GmbH Germany
Oertli Ophthalmedic Schweiz AG Switzerland
Tehno Optics doo Serbia
Spectrum-Vision Ophthalmics United Kingdom
Surgivision Pty Ltd Australia
Crystal Vision Ltd. Taiwan
UNIVERSAL HEALTHCARE LTD Cambodia
Thien Truong Corporation Vietnam
Gaspero d.o.o. Slovenia
Compagnia Italiana Oftalmologica scarl (CIO) Italy
ALCYON ITALIA S.P.A. VET IOLs
PT. Surgika Alkesindo Indonesia
Alpha-Net LTD Israel
Steril Medic Sdn Bhd Malaysia
GEUDER INDIA OPHTHALMICS PVT LTD India
Viesant Pharma Trade Philippines
J.S. VISION LTD. Thailand
Medical Company Medіcus Ltd. Ukraine
Saif-Optima Medetra LLC Uzbekistan
Salient Medical Solutions Inc. Canada
Implantec SA Argentina
VERTEK CONSUMO OFTALMOLOGICO Brazil
Medicontur Colombia
ASEMBIS Costa Rica
Medicontur Dominican Republic
ISOECUADOR S.A Ecuador
Medicontur Nicaragua
Medicontur Peru
Simovision BV Belgium
Simovision BV The Netherlands
SIA Industrialas Technologijas Latvia
ABJ-Vision Sp. z o.o Poland
EXIOL LLC Armenia
Almaty Medical Products LLP Kazahstan
Tradomed Invest Russia
Sc.Kembli-Med Srl. Romania
Seg Group Turkey
Medicontur Algeria
Medicontur Egypt
Heritage Medical Technology Jordan
Medicontur Iraq
Al Basar Suadi Arabia
Medicontur Lebanon
Medicontur Libya
KitMed Morocco
Optisurg Pakistan
NATIONAL MEDICAL SUPPLIES South Africa
Medicontur Tunisia
Medicontur Yemen
Medicontur Bangladesh
Medicontur Mongolia
Jiwon Medical Korea
National Medical Supplies Zimbabwe
National Medical Supplies Mozambique
National Medical Supplies Namibia
National Medical Supplies Botswana
National Medical Supplies Lesotho
National Medical Supplies Tanzania
National Medical Supplies Malawi
National Medical Supplies Zambia
AMARAK United Arab Emirates
Vision Matrix United Kingdom
Meraas Medical & Scientific Equipment L.L.C Syrian Arab Republic
Medicontur Chile
Medicontur Sweden