Refractive corneal inlay for presbyopia in emmetropic patients in Asia: 6-month clinical outcomes.

Abstract:

BACKGROUND:To evaluate the 6-month clinical outcomes of Flexivue Microlens refractive corneal inlay in emmetropic patients in Asia for the surgical compensation of presbyopia. METHODS:In this retrospective study, corneal inlay implantation was done using a femtosecond laser. The follow-up period was 6 months. Near/intermediate/distant visual acuities, refraction, keratometry, defocus curve, wavefront aberrations, contrast sensitivity, Scheimpflug corneal scanning, endothelial cell density, dry eye test, confocal microscopy scanning, and patient questionnaires were evaluated. RESULTS:The inlay implantation was performed in 21 eyes from June 2015 to April 2017. 6 months after surgery, the uncorrected near visual acuity of the operated eyes increased significantly from 0.55 ± 0.22 logMAR preoperatively to 0.25 ± 0.15 logMAR (p < 0.05) but mean bilateral uncorrected distant visual acuity did not change significantly (p = 0.90). Total higher-order aberration and spherical aberration increased, and the contrast sensitivity of the operated eyes decreased. Endothelial cell density and central corneal thickness did not change from preoperative values. Patient satisfaction for near vision was increased 6 months after implantation, and 50.0% of patients were independent of near spectacles. Explantation was done in 2 cases. CONCLUSION:The Flexivue Microlens refractive corneal inlay was effective for improving near visual acuity at 6 months follow-up But proportion of spectacle independency and patient satisfaction were lower in this Korean population than in previous reports. Further study with a longer follow-up period is needed.

journal_name

BMC Ophthalmol

journal_title

BMC ophthalmology

authors

Han G,Lim DH,Yang CM,Park GH,Park DY,Moon HS,Lee JM,Lee JH,Chung TY

doi

10.1186/s12886-019-1069-2

subject

Has Abstract

pub_date

2019-03-05 00:00:00

pages

66

issue

1

issn

1471-2415

pii

10.1186/s12886-019-1069-2

journal_volume

19

pub_type

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