Those patients who experience persistent glare, halos or starbursts do have several treatment options, including prescription eye drops to help constrict the pupil at night to reduce the symptoms of decreased night vision. However, this pharmaceutical approach is not successful for all people, and it also can represent a significant expense over time. Similarly, enhancement procedures may be an option, but not everyone is eligible for an additional procedure. Eligibility for enhancements depends on a number of factors that a doctor must evaluate. Patients should ask their doctors about the test they conduct for pupil diameter.
Doctors measure the pupil in several ways.
Some doctors will utilize their experience and measure the pupil without using instrumentation, while others will put a pupil gauge up to the eye to determine the size. Nevertheless, tear film stability in these eyes appeared unaltered. Forty to fifty percent noted experiencing dry eyes at some time of the day 3 months post-operatively. Such intolerance is often indicative of dry eye. Previous contact lens wear disrupts normal corneal physiology.