Figure 3.
Contrast sensitivity (log units) at spatial frequencies of 1.5, 3.0, 6.0, 12.0 and 18.0 in laser in situ keratomileusis (LASIK) and photorefractive keratectomy with mitomycin C (MMC-PRK) eyes at mesopic (A) and photopic (B) conditions 1 year after surgery. *Statistically significant results.