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Corneal Donor Tissue Preparation for Descemet's Membrane Endothelial Keratoplasty

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Published on: September 17, 2014

Refractive outcomes after DMEK: meta-analysis.

Victor A Augustin¹, Hyeck-Soo Son, Timur M Yildirim

¹From the David J. Apple International Laboratory for Ocular Pathology and International Vision Correction Research Centre (IVCRC), Department of Ophthalmology, University of Heidelberg, Heidelberg, Germany (Augustin, Son, Yildirim, Łabuz, Auffarth, Khoramnia); Institute of Medical Biometry, University of Heidelberg, Heidelberg, Germany (Meis).

Journal of Cataract and Refractive Surgery

|May 5, 2023

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Descemet membrane endothelial keratoplasty (DMEK) typically results in a +0.43 D hyperopic shift. For combined DMEK and cataract surgery, targeting -0.5 D is advised for emmetropia, with posterior corneal changes being the primary cause.

Area of Science:

Ophthalmology
Corneal Surgery
Refractive Error Analysis

Background:

Descemet membrane endothelial keratoplasty (DMEK) is a surgical procedure for endothelial dysfunction.
Understanding refractive outcomes post-DMEK is crucial for patient visual recovery.
Refractive shifts, particularly hyperopic shifts, can impact visual acuity after DMEK.

Conclusions:

DMEK procedures are associated with a consistent hyperopic refractive shift.
Strategic target refraction is necessary for combined DMEK and cataract surgery to optimize visual outcomes.
Further research into the biomechanical effects on corneal curvature post-DMEK may be warranted.

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