I’ve heard that the laser causes night vision problems…is this true?
Starbursts, glare and halos at night can be caused by several things. The first is when an inadequate diameter area of the cornea is treated. The treated area must approximate your pupil size under dim light. We analyze pupil size four different ways to make certain that your treatment area is large enough. The second cause of night vision problems is the use of older generation lasers and poor treatment designs. Dr. MacRae custom designs each patient’s treatment so that the optimal optics can be obtained. The new “flying spot” lasers, such as our Bausch and Lomb Technolas 217z, apply a much smoother treatment and blend the region between treated and untreated cornea better. The third potential cause of night vision problems after LASIK is the presence of subtle optical imperfections known as Higher Order Aberrations in the visual system. All patients seen at StrongVision are tested with the Zywave Wavefront Sensor to detect any pre-existing higher order aberrations. When present, a fo
