Posted , 6 users are following.
Curious about options/results in the case of having/needing Cataract surgery in only one eye that also suffers from astigmatism and lazy eye?
Which surgery/lens type did you go with (toric/basic...)?
I currently wear glasses (progressive - due to my good eye having age related vision decrease) .
Thank you!
0 likes, 9 replies
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Night-Hawk cateye
Posted
Depends how how much astigmatism - and it has to be measured by special equipment they eye surgeon's staff use for an eye with a cataract since the cataract can alter the eyeglasses prescription. The true astigmatism of the cornea only (not including the lens) needs to be measured to determine if its enough to warrant a toric IOL, usually the cylinder needs to be greater than 1.25D or so.
In my case my right eye had nearly 3.0D cylinder astigmatism so I went with a Tecnis monofocal toric IOL for that eye. The extended focus IOLs like Tecnis Symfony that have a toric version weren't available in a high enough cylinder for my right eye. So how much astigmatism you have determines if a toric IOL makes sense and what types of toric IOLs might be a good choice.
janus381 cateye
Posted
I don't know anything about lazy eye, other than the internet tells me that Cataract surgery is not going to "fix" lazy eye. All cataract surgery can do is at best restore vision in your lazy to what it was before you developed cataracts.
As for astigmatism, if it is very mild, it can be corrected with limbal relaxing incisions (which can be manual, or done as part of laser cataract surgery which costs extra). For higher degrees of astigmatism, a toric lens can correct for that. In my case, I had limbal relaxing incisions in my right eye, while the left eye I had a toric lens (as degree of astigmatism was a little higher, and due to positioning of the astigmatism, the surgeon thought the best answer was toric lens.
W-H janus381
Posted
Is astigmatism of 0.75 or 0.25 corrected too with toric lens or is it too low for correction?
Sue.An2 W-H
Posted
those amounts of astigmatism are too low to correct with a toric lens. Needs to be greater than 1.25.
janus381 W-H
Posted
Search for article: Treating Astigmatism: How Low Can You Go?
According to the article Toric lens can be used "roughly speaking, for with-the-rule astigmatism greater than 1.5 D and against-the-rule greater than 0.4 D".
My right eye had limbal relaxing incisions instead of a toric lens, and my left eye was borderline -- I recall a number just under 1.0 (don't know if it was "with-the-rule" or "against-the-rule" as I just trusted the surgeon to make the best decision. She said it was borderline and due to positioning of the astigmatism, Toric lens the best option for my left eye.
janus381
Posted
Article starts by saying: "Low-level astigmatism (0.25 to 1.25 D)is not an uncommon finding in eyes presenting for cataract surgery, and it represents a treatment opportunity."
Guest janus381
Posted
I think you are right to leave it up to the surgeon, but nice to know there are ways to deal with it, if astigmatism should change during the years, for some it does change a little bit.
My good eye had 3,0 astigmatism and have had the toric lens.
My bad eye, that will be getting surgery in 3 weeks, is even worse, although I do not remember how much, but it will get the toric lens as well.
cateye W-H
Posted
I am not sure ...hmm
cateye
Posted
Thank you everyone for your comments!!