Highly myopic eyes and cataracts
Posted , 10 users are following.
What kind of IOL s did people with high myopia { -8 though -13} get with your cataract surgery and how do you like the outcome? Thanks in advance
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Notes on Highly myopic eyes and cataracts
Bookwoman rusanna
Posted
My surgeon mentioned, in passing (since I wasn't interested in multifocals he didn't go into detail), that multifocals can have consequences down the road in some patients as far as later eye disease. This article addresses that: https://www.aao.org/eye-health/ask-ophthalmologist-q/should-i-get-multifocal-iols-if-i-have-amd-risk
seeherenow49806 rusanna
Edited
Hi Rosanna:)
I chose a combo of micro-monovision with a monofocal IOL set for best distance in my dominant eye, and a Symphony EDOF IOL set for slightly less distance in my non-dominant eye. This gave me the best of both worlds, as the EDOF night vision effects were minimized by the dominant monofocal eye "taking over". I am extremely happy with my resulting vision.
Micro-monovision means that the difference between eyes is less than 1 diopter. It makes it very easy for most people to adapt. In my case, we set them for about a half diopter difference. I chose to wait several months between surgeries and am grateful that my surgeon could then calculate the best IOL power for me after the first (monofocal) eye had "settled" into its near final healed visual acuity.
In the end, I was blessed with exceptional near vision in the monofocal IOL eye, as well as near perfect distance without glasses (-0.25D). The Symfony eye has slightly less perfect distance vision (-0.75D), but still good enough that I almost never wear glasses for anything.
There is speculation that people with high myopia may end up with better than average near vision even when the monofocal IOL is set for best distance vision. Something about the physical dimensions of the eye giving a greater depth of field somehow. But I don't know of any studies on that subject. I'm just extremely grateful that I can enjoy such perfect near vision with both eyes.:)
Best wishes on your research and wishing you best possible results!
chen78740 seeherenow49806
Posted
I had monofocal set for intermediate in right eye and left eye with cataract non-treated yet. To me, the clear image seen by right eye can not suppress the artifacts caused by cataract at all. That's why I'm seriously considering monovision by two monofocals instead of using an EDOF in left eye.
Glad that you are happy with your result.
seeherenow49806 chen78740
Posted
Hi Chen:)
3 things to consider:
Once you take all that into consideration, follow your instincts on which path will work best for you. Wishing you the best possible outcome!
Guest chen78740
Edited
Chen - in my own case, i had 5 weeks between surgeries.
In those 5 weeks my brain never adapted, the cataracts eye made a mess of it all.
But when I had the second eye done, I had full blended vision day after surgery, with two different premium lenses.
After about two month the visual side effects started to reduce very noticeable. Now I am 5 month in, visual side effects are there, but minor, sometimes i don´t even think about it when I am driving in the dark any longer.
I think it will be a different matter when you have your second eye done, than it is now with the cataracts, I don´t think it is comparable.
I have edof in my dominant eye and trifocal in the other eye. As an example the edof makes starburst around bright light sources in the dark, the trifocal does not make the same starburst.
If I close the trifocal eye, the starburst are still there (but smaller than it have been), but when I look with both eyes, the starburst are not there, there is some sort of light mist around the light instead, that I easily can see through.
The light mist is still getting more and more fainted, on some streetlights, where I had starburst before, there are no longer any side effects at all. It feels like it is still getting better and better, so I expect it to continue for some month ahead.
I know my result is only one of many different outcomes, but personally I am happy with it, even that I fully understand why other choose monovision with monofocals.
chen78740 seeherenow49806
Posted
Now my dominant eye is right as left eye has severe cataract. I don't remember I had dominant eye screened back in China. Maybe right eye as I'm right handed? But unfortunately, my right eye already has set to intermediate vision for cataract correction.
So if I have Symfony in left eye, my right eye may not be able to help suppress the effects as it doesn't have a clear distance vision.
My biggest concern to mini-monovision is the depth perception. I play badminton a lot, I now often miss the shuttle by poor perception from only one functional eye. I think the overlapped vision range from both eyes with Symfony+monofocal may have a decent stereoscopic.
My previous PRK surgery determines I'm not a good candidate to tri-focal. So my choices are limited to monofocal and EDOF.
After reviewing many posts on this forum, I realized how important having a good surgeon is. I would have a different decision to my right eye if I had explored this site 5 years ago.
Guest chen78740
Posted
Chen - I would not worry about dominant and not dominant eye.
Before my surgeries my left eye was dominant, and had an edof lens implanted.
Left eye have always been the best eye, and have been dominant eye for 45 years.
My right eye was non dominant and had a trifocal implanted.
If I do the dominant eye test now 5 month after surgeries, right eye with the trifocal have become dominant eye. It took a couple of weeks to get used to, but now I don´t think about it.
I am sure you will be fine with a lens for distance in your other eye, with either lens you choose, brain will adapt.
But be careful what you wish, maybe you won´t have any excuse for missing the shuttle after surgery 😃
Guest chen78740
Posted
Chen - by the way - if you have good vision in your monofocal iol eye, but are unhappy about your options, you do have the option to have a trifocal ICL implanted in your monofocal eye.
ICL´s are widely used here in Denmark for correcting iols that are off target, but also to correct earlier monofocal iol implants, either correcting for refraction and astigmatism, but the ICL can also be trifocal, and give you vision all distances at the same time.
chen78740 Guest
Posted
Thanks Viking. Your post is always encouraging.
Probably, I should consider to keep the ability to blame to the poor depth perception LOL
rusanna
Posted
Update - had my surgery 3 days ago on the left eye ( the worse one) ,got Alcon toric monofocal put in set for near. It is still adjusting but distance vision is definitely better than I had wearing -12 toric contact lens ! And near is very clear ,even at intermediate range. I don't know exact measurements but the goal was to have me slightly nearsided ,like -3 . I will get exact numbers at my next appointment
seeherenow49806 rusanna
Posted
That's great, Rosanna! Happy for you. Of course, 3 days is very soon after surgery. Your vison will likely improve even more over time.Best wishes!