Retrospective Analysis Comparing the Preoperative and Postoperative "Q" Values for 2 Different Lasers in Refractive Surgery.

Purpose: To compare the presurgical and postsurgical corneal asphericity, or "Q value," between VISX Wavefront-guided treatment and Allegretto Wave Wavefront-optimized treatment in photorefractive keratectomy for the correction of myopia.

Methods: This is a retrospective database analysis performed at the Joint Warfighter Refractive Surgery Center, Lackland Air Force Base, TX. All data were accessed through the Institutional Review Board-approved Joint Warfighter Refractive Surgery Center database.

The effect of silicone hydrogel bandage soft contact lens base curvature on comfort and outcomes after photorefractive keratectomy.

Objective: To evaluate the relative pain and the relative amount of contact lens loss experienced using two different base curvatures (BCs) of the Acuvue Oasys bandage soft contact lens (BSCL) after photorefractive keratectomy (PRK).

Methods: One hundred forty patients undergoing PRK on either the Allegretto or the VISX laser at the Joint Warfighter Refractive Surgery Center in Lackland AFB, TX, were randomized to one of the two different BCs of the Acuvue Oasys BSCL: 8.4 or 8.

Novel approach for the treatment of corneal ectasia in a graft.

Purpose: The aim of this study was to report the use of novel masking agents during an anterior lamellar keratoplasty performed using a femtosecond laser in a patient with corneal ectasia that was consistent with recurrent keratoconus.

Methods: This is a case report.

Results: A 55-year-old man, with a 23-year status after penetrating keratoplasty for keratoconus, presented with a chief complaint of ocular discomfort in the right eye.