As of 2015, the most common problem with Restor lenses occurs when wearers become either nearsighted or farsighted or develop an astigmatism. The problem commonly associated with astigmatism is blurry vision.
To implant the Restor lens correctly, a doctor must use extreme accuracy. Because it is not a perfect procedure, some patients end up becoming more near or farsighted than they were prior to the procedure. Another commonality is being more susceptible to dry eyes. Other common issues with the Restor lens are sensitivity to light and problems with glare and halos. Halos occur when an individual's vision causes circles form around bright lights.