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Quality of Life After Lasik

Multi-university study finds Lasik satisfaction even with large pupils.

Pupil size does not correlate with quality of life after Lasik, according to study.

SACRAMENTO, Calif., August 14, 2007  -- The size of naturally dilated pupils does not predict a Lasik patient's postoperative quality of life, says a study published in the Archives of Ophthalmology.

A relatively small percentage of Lasik patients develop night vision problems that include starbursting or halos emitting from light sources. Symptoms tend to diminish if the size of the pupil is reduced. Some believe that a large pupil before Lasik means poor night vision after Lasik, however several studies have shown no predictable correlation between preoperative pupil size and postoperative complications.

Of 300 Lasik patients contacted, 97 (32.3%) responded to a mailed study questionnaire; the National Eye Institute Refractive Error Quality of Life (RQL) Instrument. Results showed that correlations between larger pupil diameter and higher RQL satisfaction scores (0.12 and 0.19, respectively) were not statistically significant, however if refractive error remained, patients reported significantly more worry, less satisfaction , less clear vision, and worse far vision. Improvement in residual refractive error provided more satisfactory results and a higher perception of quality of life.

The study's lead author is Gregory Schmidt, MD of the Department of Ophthalmology, University of California, San Francisco.

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