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ORIGINAL ARTICLE
Year : 2019  |  Volume : 12  |  Issue : 2  |  Page : 108-113

Evaluation of interface reflectivity and corneal aberrations following Descemet's stripping automated endothelial keratoplasty


1 Eye Research Center, Department of Ophthalmology, Mashhad University of Medical Sciences, Mashhad, Iran
2 Department of Ophthalmology, Birjand University of Medical Sciences, Birjand, Iran
3 Research Center for Patient Safety, Clinical Research Unit, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Correspondence Address:
Dr. Malihe Nikandish
Department of Ophthalmology, Birjand University of Medical Sciences, Ghaffari Blvd., Birjand
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ojo.OJO_188_2017

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PURPOSE: This study aims to evaluate visual outcome after Descemet's membrane stripping automated endothelial keratoplasty (DSAEK) and relate to interface and corneal higher-order aberrations (HOAs). MATERIALS AND METHODS: We enrolled 16 eyes of 16 patients (eight males and eight females) in this interventional case series and followed DSAEK operation for about two to 20 months. OCULUS Pentacam, as well as other ophthalmic evaluations in follow-up visits, examined interface reflectivity and HOAs. Statistical relations were analyzed. RESULTS: There was statistically significant correlation between interface reflectivity and best corrected visual acuity (BCVA) (r = 0.56, P = 0.021). Pachymetry (central corneal thickness) and BCVA had a moderate correlation (r = 0.6, P = 0.013). There was no statistically significant correlation between pachymetry and follow-up time (r = −0.36, P = 0.16). Negative correlation between follow-up and interface reflectivity was also not statistically significant (r = −0.24, P = 0.35). Coma had a significant correlation with BCVA in cornea and cornea front maps (r = 0.74, P = 0.009 and r = 0.71, P = 0.013, respectively). CONCLUSION: Significant correlation between interface reflectivity and BSCVA was found, and anterior corneal HOAs are significantly higher than posterior HOAs.


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