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Correlation between polychromatic image quality metrics to predict visual acuity in pseudophakic patients

Authors :
Armengol Jesús
Garzón Nuria
Vega Fidel
Altemir Irene
Millán María S.
Source :
EPJ Web of Conferences, Vol 238, p 12005 (2020)
Publication Year :
2020
Publisher :
EDP Sciences, 2020.

Abstract

The optical quality of three multifocal intraocular lenses (MIOLs) was measured in vitro using the area under the modulation transfer function (MTFa) and energy efficiency (EE). We evaluated those metrics through-focus (TF) by axially scanning the image space with three wavelengths (R, G, B). High linear correlation between MTFa and EE was found for all cases. Correlations between optical in vitro results (polychromatic TF-MTFa and TF-EE) and clinical visual acuity (VA) defocus curves for the three MIOLs allowed us to derive mathematical expressions. Both metrics proved to be equivalent to predict postoperative VA.

Subjects

Subjects :
Physics
QC1-999

Details

Language :
English
ISSN :
2100014X
Volume :
238
Database :
Directory of Open Access Journals
Journal :
EPJ Web of Conferences
Publication Type :
Academic Journal
Accession number :
edsdoj.525ff3c83b4c4581b1a7bcbf8ed3139b
Document Type :
article
Full Text :
https://doi.org/10.1051/epjconf/202023812005