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I also had PRK after RK surgery, age 52. My RK surgery was also done nearly 20 years ago in both eyes. Target - distance vision.

EYE65Jan 29, 2018
5 months post-op distance vision poor. Near vision is 20/20. My vision has diurnal fluctuation over 1 diopter that occurs from morn-eve, measured by refraction specialist. Both corneas steepen symmetrically and become more myopic morn-eve. Morning refraction test used for PRK surgery. Distance vision deteriorates horribly from morn-eve because of diurnal shift. Chief complaint-initial visit was fluctuating vision. No multiple refraction tests done morn-eve pre-surgery. Expert comment on this?

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From board-certified doctors and trusted medical professionals
Dr. Ahad Mahootchi, MD
Oculoplastic Surgeon, Board Certified in Ophthalmology
Answered on Feb 2, 2018
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Jay Bansal, MD

20/25 is great vision! The vision may continue to become more crisp/sharp as the eye heals and your brain adapts to the monovision. It is probably too early to consider any retreat options especially with a VA of 20/25.

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Ahad Mahootchi, MD

It's possible you have some small prescription at this point. Usually the surgeon will be monitoring that. With PRK, the way the steroid drops are dosed after the surgery can be manipulated to adjust the final prescription. If the vision is worse but not correctable by prescription you need to...

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Ahad Mahootchi, MD

Monovision usually reduces glasses dependence but there are situations at distance or at near where glasses might be needed. The problem with monovision is what works well at age 45 sometimes doesn't work will at age 55 or 60. However, it usually is effective for more than 3 years. Contact lens...

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