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Any experience/info about the AcuFocus IC-8 IOL?

Posted , 13 users are following.

john56935
john56935

Seems like this IOL (which functions like the Kamra inlay) is getting great results in Europe and elsewhere and will hopefully be coming to the US in the next year or two.  Sounds like it could be as good of an option as the EDoFs but without all the nighttime issues of glare and halos like my Symfony has. Makes me wonder if it would be worth swapping out my Symfony for this and getting the recommended distance monofocal in my dominant eye. Thoughts?

0 likes, 29 replies

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  • at201
    at201 john56935

    Posted

    You may not have the issue of glare or halos with the Acufocus IC-8 IOL, but your capability to see well in low light will suffer because of the reduced effective pupil size. There is a reason why the human pupils (just like most animals) get wider at night. Taking that capability away is a big compromise.

    Everyone can see objects over an increased range by looking through a pin hole, but I am not sure if I would want my IOL to provide that pin hole effect.

    • at201
      at201

      Posted

      And I will also be curious to know what an ophthalmologist will think of a person with the AcuFocus lens, whose eyes can't be dilated enough during an eye examination for him/her to check the retina etc as well as it should be.

    • john56935
      john56935 at201

      Posted

      Yes, I was thinking both things but apparently it doesn't prevent them from seeing the retina and performing other procedures.  The information I have seen is that the reduced light is only noticeable when it is compared to the other eye but that binocular vision is fine.  I would like to hear the experiences of people that got the Kamra inlay as that works the same way as the IOL, especially if the reduced light is bothersome at night.

    • jimluck
      jimluck at201

      Posted

      Patient satisfaction with it is high, so I infer the issue you identify is minor.

    • jimluck
      jimluck at201

      Posted

      Doctors who have implanted it say it is no impediment to examination and procedures. It's best to keep an open mind until you see the evidence on a device you are unfamiliar with.

  • Guest
    Guest john56935

    Posted

    Hi John

    I am also experiencing lots of glare and starbursts and am considering having it changed for the IC-8.

    I cannot find any patient reviews of this lens only clinical trial results which is a bit strange.

    Have you found any patient reviews?

    Tom

    • john56935
      john56935 Guest

      Posted

      No patient reviews yet as it is not approved in US yet but thought someone with the kamra inlay might respond.  I did see it mentioned that it had a higher incidence of floaters, maybe related to the pinhole effect.  While it may not cause severe halos, I would think it would be better during the day as well compared to the nighttime since it cuts down on the amount of light that enters the eye. I guess with all the IOLs there are tradeoffs.
    • at201
      at201 john56935

      Posted

      In the day time, in good light, the pupil is already small any way. That is why one can see better in good light.

      Thus, the additional benefit in day light due to Acufocus IC-8 IOLwill be minimal, if any.  

    • jimluck
      jimluck john56935

      Posted

      If you google -- patient.info ic-8 Guest -- it will pull up a review from 4 years ago. Excerpts:

      "I have had a Symfony toric lens exchanged for an Acufocus IC-8 about 4 weeks ago in the UK and the result is much better."

      "can read from 12 inches and see well to distant hills"

      "so much happier with this iol"

"There is a bit of contrast reduction i would say 20% due to the small aperture but in the day this is not noticeable only in low light where better artificial lighting is required."
  • Night-Hawk
    Night-Hawk john56935

    Posted

    Couldn't a contact lens be created that gives a pinhole effect?

    That would seem to be a better solution if someone wanted that effect but could easily be removed when needed.

    • john56935
      john56935 Night-Hawk

      Posted

      That's really good question, not sure why they insert into the cornea instead of just use a contact lens.  I will try to remember to ask the doc when I see him in 2 weeks

  • jantje32476
    jantje32476 john56935

    Posted

    Kamra inlay is 3.8 mm in diameter (about 1/4 the size of a soft contact lens) and 6.0µm thick.

    IC-8 IOL has a total diameter of 3.23mm, a thickness of 5.0µm and 3,200 microperforations.

    Karma corneal inlay surgery left one's natural lens untouched.  It is considered a non-invasive procedure and reversible.  

    IC-8 IOL is implanted to replace the aging lens of a cataract patient. May be more suitable for people with small capsular bags ... unless it is sitting on top of another lens.

    For comparison purposes, TECNIS Symfony IOL has an overall diameter of 13.0mm, with an optical zone of 6.0mm

    • at201
      at201 jantje32476

      Posted

      For comparison, the human pupil size is typically between 2 and 4 mm in diameter during good day light, with the lower value corresponding to brighter light (with some variations between people).

      Thus, Karma (3.8 mm dia) as well as IC-8 IOL (3.23 mm dia) are not expected to have much effect on the quality of the day time vision.

    • jantje32476
      jantje32476 at201

      Posted

      .. unless these pinhole lenses are meant to sit on the natural lenses or on other IOLs.
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