Schaub, Friederike, Gerber, Fanny, Adler, Werner ORCID: 0000-0001-9791-5407, Enders, Philip ORCID: 0000-0002-9527-4957, Schrittenlocher, Silvia, Heindl, Ludwig M., Cursiefen, Claus and Bachmann, Bjoern O. (2019). Corneal Densitometry as a Predictive Diagnostic Tool for Visual Acuity Results After Descemet Membrane Endothelial Keratoplasty. Am. J. Ophthalmol., 198. S. 124 - 130. NEW YORK: ELSEVIER SCIENCE INC. ISSN 1879-1891

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Abstract

) PURPOSE: We sought to investigate correlations between preoperative corneal backscatter with visual acuity results after Descemet membrane endothelial keratoplasty (DMEK) in eyes with corneal endothelial disorders. DESIGN: Retrospective interventional case series. METHODS: The first 551 consecutive patients with DMEK at the Center of Ophthalmology, University of Cologne who had available preoperative corneal densitometry values (corneal light backscatter measured in gray scale units) measured with the Scheimpflug-based Oculus Pentacam corneal densitometry module were screened for eligibility. Best spectacle-corrected visual acuity (BSCVA) results were retrospectively correlated with densitometry data. Densitometry data were obtained in 4 corneal layers (ie, anterior, central, posterior, and total layers) and 4 annuli. Pre- and postoperative BSCVA results were correlated with densitometry data. Receiver operating characteristic analyses were performed. RESULTS: Four hundred twelve eyes were available for the analyses. Visual acuity results improved significantly after DMEK surgery at 3,6, 12, and 24 months of follow-up (P < .001). Corneal backscatter correlated moderately with preoperative BSCVA results. Moderate associations to postoperative BSCVA results could predominantly be found between densitometry values of the anterior and central layer more pronounced in the center of the cornea for all postoperative timepoints. The posterior layer correlated worst with postoperative gain in BSCVA. Receiver operating characteristic analyses revealed that the best predictive power of densitometry values was for the 2-6 mm annular zone of the cornea. CONCLUSION: Corneal backscatter in eyes with corneal endothelial disorders correlates with postsurgical BSCVA results after DMEK surgery. Therefore, early DMEK surgery seems to have a positive impact on long-term BSCVA results. ((C) 2018 Elsevier Inc. All rights reserved.)

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Schaub, FriederikeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerber, FannyUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Adler, WernerUNSPECIFIEDorcid.org/0000-0001-9791-5407UNSPECIFIED
Enders, PhilipUNSPECIFIEDorcid.org/0000-0002-9527-4957UNSPECIFIED
Schrittenlocher, SilviaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Heindl, Ludwig M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cursiefen, ClausUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bachmann, Bjoern O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-157977
DOI: 10.1016/j.ajo.2018.10.002
Journal or Publication Title: Am. J. Ophthalmol.
Volume: 198
Page Range: S. 124 - 130
Date: 2019
Publisher: ELSEVIER SCIENCE INC
Place of Publication: NEW YORK
ISSN: 1879-1891
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
HIGHER-ORDER ABERRATIONS; DYSTROPHYMultiple languages
OphthalmologyMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/15797

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