Many surgeons have asked me to make a video comparing the J&J Eyhance to the Alcon Vivity IOL. I have already posted individual videos about each of these IOLs here:
The J&J Tecnis Eyhance is a monofocal IOL which slightly extends the intermediate range (67 cm) as compared to the J&J Tecnis ZCB00. There is a shift of some of the distance focused light energy (plano refraction, far distance) to the intermediate range which is centered at about -1 diopters of defocus (about 1 meter). This is accomplished by a central 1 mm zone of increased curvature. Studies have shown an increase of about 0.5 diopters at 67 cm for the J&J Tecnis Eyhance when compared to the J&J Tecnis ZCB00. The Tecnis Eyhance is not classified as an extended depth of focus IOL.
The Alcon Vivity is an extended depth of focus IOL (EDOF) which provides more intermediate range and even some near vision. It takes more of the light energy from the distance vision (plano defocus) and uses a beam-shaping element to elongate the focal range to include about -2 diopters of defocus (about 50 cm). The cost in terms of optical quality is a loss of some contrast which may be noticed more at night.
A monofocal IOL has a defocus of about 0.5 diopters, the Eyhance is about 1.0 diopters, and the Vivity is about 2.0 diopters. This means that the Eyhance is about 0.5 diopters more range than the monofocal IOL and the Vivity is 1.5 diopters more range than the monofocal IOL. That is a very significant difference of about 3x as much with the Vivity (1.5 D extra) over the Eyhance (0.5 D extra).
click below to compare the J&J Tecnis Eyhance to the Alcon Vivity IOL:
disclosures: I have no current financial disclosures in relation to the Tecnis Eyhance IOL or the Alcon Vivity IOL. I do have a financial interest in LensGen, CataractCoach.com, and also in performing cataract surgery.
Hi, Dr. Devgan, I have healthy eyes except the cataract in my both eyes. My eye sight is poor near or far. I will go for Tecnis 1 ZCB00 for distance for my right eye. And for my left eye, I will consider either Eyhance or Vivity. You gave me the impression, Vivity is far superior than Eyhance for middle and near range. And is it ever a concern of yours about glistening effect of Alcon acrylic lenses, one of which is Vivity? Will you please respond to my 2 questions?
It depends on your eye and your biometric data. You should ask these to me in person during your consultation with me in Los Angeles.
Hello Dr. Devgan, I am in physician in Texas having cataract surgery in the near future. I have spend days researching internet on various lenses. I was to thank you for your excellent site and especially the comparison of the Tecnis Eyhance and Alcon Vivity. Your knowledge and site information is without question the best I have seen. If I were local to you, no question where I would get my surgery. Maria Moore MD
thank you. you could always come to Los Angeles for the best in cataract surgery! Every week we have out of state patients.
Hi Doctor! Fantastic comparison!
I am 40 Years old and had cataracts – no other problems. Now I have an Eyhance in the left eye – really good image quality.
Unfortunately I see halos when it is very dark and maybe it is due to the “dead zone” that You mentioned in the video (probably my pupil is bigger than the 5mm real diameter of the Eyhance).
I am going to Vivity in the right eye, What do You think about this combination (one eye with Eyhance and the other with Vivity)?
Hi Alexandre, the halos you are experiencing are they only around light sources? I see large circles / round light reflections in the middle of my field of vision almost every time I walk by a light source( in addition to multiple halos around the light source itself). I have a trifocal lens (Zeiss AT LiSA), and the eye doctor and I are considering replacing the iol with the Eyhance because the light reflections are extremely bothersome. I have quit large pupils and now that I read about this “dead zone” phenomenon, I get nervous I will experience the same problem with the Eyhance.
The halos around the light sources are OK; it is the reflections in the middle of my vision that are hard to live with.
I would really appreciate if you would take the time to answer me.
Thanks, Maria
Hi Maria!
These halos are more like thin rings ONLY around the light sources. Nothing more than this.
I do not see any halo in normal conditions, even when driving in the city streets at night.
The halos appears only when my pupil are totally open (with pupil dilated due to an eye exam, or when driving at night where there are no street lights).
When driving in this condition, If I turn the internal light in the car I do not see any halo anymore.
So… There are halos in specific conditions, but most of the time there is nothing.
I have a functional close vision (it is possible to use the cell phone or read a menu in a restaurant, but for longer reading is better to use glasses). From 80cm to far the vision is perfect!
I am going to another cataract surgery in the second eye, and I had choose to go for Eyehence again.
Thank you so much for this article! I am really curious about how a multifocal iol (like the Zeiss AT LISA) would perform in the “Image quality graph” in relation to the far distance. Is it better or worse than the vivity at a far distance?