Why can’t we custom correct vision?

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So, when it came to the genetic lottery category eyesight, I did not win. This is my prescription:
Left eye: -1,00
Right eye: -4,00

I also have astigmatism only in my right eye. Getting contact lenses and glasses has always been a pain, but I digress.

I have an office job that involves staring at a computer for most of the day. When getting my glasses, I asked if it made sense to wear them when working, but the optometrist said not to do that since I’m near-sighted anyways. The issue with that is that my right eye is so bad, that even if I’m sitting half a metre away from the screen, I cannot see clearly out of my right eye. So I’m basically only using my left eye to see when I’m working. I then asked if it was possible to get -3,00 contact lenses to wear in only my right eye, so that my eyes were at least the same and so that the workload on my eyes would be evenly divided. He chuckled and seemed confused, and then when he saw that I was being serious, he said that that’s not possible. He didn’t explain why.

I’m obviously not an expert (hence why I managed to make the optometrist laugh with my silly question), so please explain like I’m 5: why is this not possible? Why can’t I wear a -3,00 contact lens in my right eye to have it be the same as my left eye? Why can’t we custom correct vision?

In: 5

30 Answers

Anonymous 0 Comments

I am literally typing this using the power of wearing glasses with two different prescription lenses in. It is by no means rare or even unusual to have different prescription requirements in each eye, and I don’t really know why your optometrists’ absolute first suggestion wasn’t a -4.00 lens for your right eye and a -1.00 lens for your left eye.

I am not an expert by any means, but given what I am literally currently wearing in order to be able to comfortably type this comment, I would recommend getting a second opinion.

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