Prediction Error Stabilization and Long-Term Standard Results with a Monofocal Intraocular Lens

Author:

Macías-Murelaga Beatríz,Garay-Aramburu GonzagaORCID,Bergado-Mijangos Roberto,Coello-Ojeda Daniel,Ozaeta Itziar,Garcia-Gómez Pio Jésus,Garrido-Fierro Jesús,Rodríguez-Vallejo ManuelORCID,Fernández Joaquín

Abstract

The aim of this study was to assess the stability and differences between objective (O-Rx) and subjective (S-Rx) refraction for the assessment of the prediction error (PE). A secondary aim was to report the results of a monofocal intraocular lens (IOL). 100 subjects were included for whom S-Rx and O-Rx were obtained for all visits, and for visual performance, posterior capsular opacification incidence and Nd:YAG rates at 12 months. Either S-Rx and O-Rx showed a hyperopic shift from 1 to 6 months (p < 0.05) and stabilization after 6 months. S-Rx was related with the axial length (rho = −0.29, p = 0.007), obtaining a major tendency towards hyperopia in short eyes implanted with high-power IOLs. O-Rx showed a myopic shift in comparison to S-Rx (p < 0.05). This resulted in a decrease of the number of eyes in ±0.50 D and ±1.00 D from 79 to 67% and from 94 to 90%, respectively. The median (interquartile range) uncorrected and corrected visual acuities were 0.1 (0.29) and 0 (0.12) logMAR, respectively, and seven eyes required Nd:YAG capsulotomy at 12 months. Some caution should be taken in PE studies in which O-Rx is used or S-Rx is measured in a 1-month follow-up. Constant optimization should be conducted for this IOL after S-Rx stabilization.

Publisher

MDPI AG

Subject

Cell Biology,Cognitive Neuroscience,Sensory Systems,Optometry,Ophthalmology

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