title: [Refractive changes after Descemet membrane endothelial keratoplasty].
abstract: Penetrating keratoplasty has different refractive disadvantages in contrast to posterior lamellar keratoplasty. For example, a decentered corneal trephination and a tilted trephination or unevenly tightened corneal sutures can cause an uncontrolled high astigmatism as well as a refractive change. Also the postoperative refraction may change over time as a result of wound healing, suture loosening or suture removal. The aim of this retrospective study was to investigate a possible refractive change after Descemet membrane endothelial keratoplasty (DMEK). A total of 139 pseudophakic eyes from 125 patients with endothelial decompensation had undergone DMEK surgery at the Tübingen Eye Clinic. After a mean postoperative time of 13.15 ± 2.98 months after DMEK discreet mean changes in the spherical equivalent of + 0.37 ± 0.87 diopters and the cylinder to - 0.45 ± 0.57 diopters were observed. The mean central corneal thickness decreased from 670 ± 70 µm to 544 ± 55 µm. In conclusion after DMEK a discreet induced hyperopic refractive shift due to the reversal of stromal swelling was observed.
authors.affiliation: Department für Augenheilkunde, Eberhard-Karls-Universität Tübingen, Schleichstr. 12, 72076, Tübingen, Deutschland.
authors.forename: T
authors.initials: T
authors.lastname: Röck
authors.forename: K U
authors.initials: KU
authors.lastname: Bartz-Schmidt
authors.forename: D
authors.initials: D
authors.lastname: Röck
authors.forename: E
authors.initials: E
authors.lastname: Yoeruek
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D057111:Descemet Stripping Endothelial Keratoplasty / Q000009:adverse effects* / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D019591:Pseudophakia / Q000175:diagnosis* / Q000601:surgery*; D012029:Refraction, Ocular; D012030:Refractive Errors / Q000175:diagnosis* / Q000209:etiology*; D015203:Reproducibility of Results; D012189:Retrospective Studies; D012680:Sensitivity and Specificity; D016896:Treatment Outcome