VIVITY SURGERY vision in one eye is better then the other

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Hi l had cataract surgery with vivity in both eyes this month , it was mini monvision with the right dominant eye 19.5d and the left eye 20.5d . l am 100% happy with the vision in the right eye , everything is sharp and clear from reading to distance , but the vision in the left eye does not seem as good as the right eye. If l am outdoors and cover one eye the vision in the right eye seems a higher contrast higher definition while the left eye seems lower contrast lower definition , also l can read much better with the right eye which is strange because the left eye was supposed to be the near vision eye. Also l noticed the pupil in the left eye is larger then the right eye but dont know if that matters.

The surgery in the left eye was a month ago is it possible the vision may get better in time or will most likely this be the vision l have permanently? Is it normal for the vision in the dominant eye to be quite a bit better then the non dominant eye or did perhaps the surgeon not get the power calculation correct in that eye?

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  • Edited

    First, you need 5-6 weeks before the eye is stable. When you reach the 6 weeks it is worthwhile going to an optometrist and having a full refraction test on both eyes to get an eyeglass prescription (even if you do not plan to get glasses). This will tell you where each eye ended up. 0.00 D is perfect for distance, but -0.25 is also fine. In the near eye you will want it to be more like -0.75 D to -1.0 D for micro monovision. Mini monovision will be -1.25 D to -1.50 D. This is for a standard monofocal. You will need a little less than this for the Vivity. For the Vivity the distance eye ideal is still 0.00 D, but the near eye will be -0.25 D to -0.5 D for micro monovision, and -0.75 to -1.0 D for mini monovision.

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    The power of lens used in each eye is almost meaningless, as it does not tell you what the residual refraction is. That is the important number. Those lens power numbers would suggest you must have been slightly far sighted before surgery, but that is all it indicates.

    • Posted

      thanks, also the pupil in my left eye seems to be larger then the pupil in the right eye after the surgery, l dont know if that could be a factor

    • Posted

      I am not sure what could be causing that. It would be a good question for the surgeon or your optometrist.

    • Edited

      l went with mini monvision , 20.5 left eye 19.5d right eye, is the 20.5d or 19.5d supposed to be better for reading, my reading vision is better in my right 19.5d eye as well as distance. l noticed with my left eye in low light outdoors like dusk or dawn the vision or contrast is bad but right eye good. In normal light my left eye is good outdoors , just not low light . also l noticed the pupil in my left eye has been larger then the right eye since the surgery, almost twice the size

    • Posted

      Which eye was supposed to be the closer vision eye for better reading? How much myopia was targeted for the closer eye?

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      As I suggested before, the pupil size issue is something you should ask your surgeon about.

    • Posted

      The larger pupil size went away about 3 days after surgery for me and vision changed for the better when it was back to normal. I've noticed that as I've gotten older, it takes longer for my pupil to return to normal after dilation drops. Vision is slower to return as well - sometimes several days after a visit to the optometrist.

      I'd guess that the enlarged pupil at the root of your vision problems. I've heard others say that it can take longer, maybe 10 days or more for the pupil to return to normal after surgery. It likely depends on how well your body gets rid of the drops used to dilate the eyes.

      Sometimes hooks or rings are used to keep the pupil open during surgery, especially if the drops don't make the pupil large enough. These devices might make the pupil stay enlarged longer after surgery. If the pupil stays enlarged for many weeks, I believe it can be corrected with drops or by suturing the iris, a relatively simple procedure.

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