Because the visual abberations resulting from LASIK and other refractive surgeries impact the ability to distinguish fine detail, reading is often difficult for LASIK victims. Ghosts seen at a distance may or may not appear in the patient's near vision. For some patients, the quality of near vision seems to fluctuate with tear film quality, so that reading becomes difficult in air conditioned, low humidity situations, or may even vary by time of day. And of course, some patients can't read at all.

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