Trends in refractive surgery at an academic center: 2007-2009

BMC Ophthalmology

Table 1 Proportion of refractive errors of patients who underwent excimer laser refractive surgery in the summer quarter of 2007 and the summer quarter of 2009

Excimer laser refractive surgery was comprised of photorefractive keratectomy and laser-assisted in-situ keratomileusis. "Low myope" was defined as patients whose spherical equivalent of the manifest refraction was 6 diopters or less of myopia; "high myope" was defined as spherical equivalent of the manifest refraction that was worse than 6 diopters of myopia; hyperope is defined as any amount of hyperopia. (Percentages add up to less than 100% in 2009 because of rounding).

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