Is it common for PRK for astigmatism to only last 3 years?

Contact lenses have a reshaping effect on your cornea, especially if you wear them longer than 8 hours a day. The instruments used to take your corneal maps and measurements are very sensitive. Therefore, contact lens use will affect your measurements for surgery. However, at our office, we...

It is hard to confirm if you have ectasia without looking at your corneal maps. Crosslinking is typically done to strengthen the cornea when there is steepening.I would return to your doctor for an evaluation. 

Enjoy your cup of coffee, more likely to get dehydrated at the gym.  I am not sure why you were told to avoid caffeine, but at this point in your recovery, I think you deserve a Starbuck's!

First of all, skiing without sunglasses can cause irreparable harm to the retina (the back of the eye). It can also cause regression of the PRK result. Further PRK can improve your vision, but if you expose yourself to the high levels of ultraviolet light present at high altitudes while skiing ...

I recommend a visit to the doctor to check your visual acuity. If it is just a minor prescription left over, a touch up may not be worthwhile due to recovery time and risk of haze. However, if the vision is poor, your doctor would analyze your corneal maps and remaining thickness to make sure...

PRK recovery varies by patient. 20/50 isn't a concerning visual acuity at one month, although most patients do see better than that. I would continue using preservative free artificial tears every 1-2 hours and returning to your doctor for regular follow up visits to monitor for any changes. ...