Can using the computer too much affect my vision (specially night vision) if I'm a post RK?

I've noticed problems with my vision in low light conditions. Can it be that I use the computer for too many hours? I have a CRT graphics monitor (LCD was too bright for me) and I currently use some glasses with yellow lenses that are supposed to be for computer and night-driving. I have about 6 incisions per eye.

It could be. you might want to talk to your doctor about it. I would make sure to take breaks and use some good lubricating drops like Optive. It might just be driness from lack of blinking. Really.

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