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DLEK procedure can improve predictability of postop corneal power

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Corneal endothelium transplantation using deep lamellar endothelial keratoplasty can help preserve corneal curvature, a recent study found.

Mark A. Terry, MD, evaluated the topographic corneal curvature and refractive spherical equivalents of 27 consecutive patients with Fuchs corneal dystrophy and who were treated with DLEK surgery. Measurements were taken preoperatively and at 6 and 12 months postop.

According to the study, average corneal curvature was not significantly different from preop at either follow-up point. At 6 months, the mean change in corneal curvature was –0.1 ± 1.7 D, resulting in an average corneal curvature of 43.8 ± 1.4 D.

In 18 patients available for follow-up at 12 months, the average corneal power was 43.5 ± 1.7 D. Mean refractive spherical equivalent, which was –0.44 ± 1.7 D at 6 months and –0.44 ± 1.6 D at 12 months, did not change significantly from preop.

The study was published in Cornea.