Wavefront-Guided Photorefractive Keratectomy in the Treatment of High Astigmatism Following Keratoplasty

Purpose:
To report the outcome of wavefront-guided photorefractive keratectomy (WG-PRK) in the treatment of high astigmatism following keratoplasty.
Methods:
A retrospective, interventional analysis including patients with high astigmatism following either penetrating keratoplasty or deep anterior lamellar keratoplasty, who underwent WG-PRK.
Results:
Thirteen eyes (7 right eyes) of 12 patients (10 male) aged 35.1 ± 5.9 years were included. Preoperative astigmatism ranged between 3.00 and 5.00 D. Average follow-up time was 14.0 ± 6.2 months. Uncorrected distance visual acuity (UDVA) improved from 0.97 ± 0.58 logarithm of the minimum angle of resolution (logMAR) (Snellen equivalent ∼20/187) preoperatively to 0.13 ± 0.15 logMAR (Snellen equivalent ∼20/27) at 6 months and 0.14 ± 0.16 logMAR (Snellen equivalent ∼20/28) at the final follow-up (P = 0.001 and P = 0.002, respectively). UDVA ≥20/40 increased from 1 eye (7.7%) preoperatively to 13 eyes (100%) at 6 months and 12 eyes (92.3%) at the final follow-up (P

Source: Cornea - February 5, 2019 Category: Opthalmology Tags: Clinical Science Source Type: research