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Recommendation for upcoming cataract surgery

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sozkumar
sozkumar

Hi All

I am 45 year old and I am scheduled to go for cataract surgery in January 2024 in my left eye and I have some anxiety related to it. My doctor has suggested J&J AR40E (J&J Sensar Monofocal 3-Piece) lens aiming for distance vision (with emmetropia as final refraction). Although he is also fine with aiming for near vision but leaves the choice to me. However, I feel I dont have all the understanding to make an optimal decision.

I am listing below my situation and preferences and will appreciate it if you can recommend, based on your experience, what can be a good approach for me. Also, please share any epxerience/opinion with J&J Sensar Monofocal 3-Piece lenses.

  1. I am highly myopic (around -15D in both eyes) and have been wearing thick glasses pretty much my whole life.
  2. My current visual acuity is .3 in the eye that is going to be operated and .5 in other eye.
  3. My work involves heavy computer work and reading.
  4. I currently have lot of issues with night vision; halos, glares, difficulty in dim/low light conditions. This makes it difficult for me to do things like driving car at night, being in low dim places like restaurants etc. My preference will be to get rid of these issues and I dont so much care about whether I have to wear glasses (either for slight myopia or reading glasses) after cataract surgery.

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    Guest sozkumar

    Posted

    Sorry the word "powerful" was meant to simplify but I can see how it's just more confusing. When I say "powerful" I mean a convex lens that bends light at a sharper angle (like reading glasses or a magnifying glass). Plano by the way means "like a flat plane of glass" which doesn't bend light at all (zero power). So if you are luck enough to have 20/20 distance with your eye at rest (no accommodative effort) your "prescription" is called plano because you don't need to bend light at all (either more steeply or more shallow to hit the retina).

    .

    Another thing to understand is that your cornea is actually responsible for most of the refraction / focusing. The lens inside your eye is only responsible for about a third of the refraction. So when the lens is removed you have to you have to make up that missing one third of refraction to get the image at the distance you want to land on the retina. If you have a really steep cornea though you might not need much more refraction. Or maybe even a negative power (which others have explained better than me). But the average eye will need a positive power… usually in the teens or 20's in diopters to achiever 20/20 distance.

    .

    Sorry that probably just added to the confusion. LOL.

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