Quantitative Evaluation of Night Vision and Correlation of Refractive and Topographical Parameters with Glare After Orthokeratology

Overview

Journal Graefes Arch Clin Exp Ophthalmol

Specialty Ophthalmology

Date 2011 May 13

PMID 21562891

Citations 7

Authors

Takashi Kojima

Asato Hasegawa

Syuya Hara

Rie Horai

Yoko Yoshida

Tomoaki Nakamura

Murat Dogru

Kazuo Ichikawa

Affiliations

Soon will be listed here.

Abstract

Purpose: To evaluate night vision disturbance and investigate correlations between pre- and post-treatment parameters and glare scores in orthokeratology patients.

Methods: Twenty-eight right eyes of 28 patients were enrolled in this study. Corneal topography and a night vision test (NVT) to evaluate the extent of glare were performed after orthokeratology. From the corneal topography, two indices [surface regularity index (SRI) and surface asymmetry index (SAI)] were calculated. Fourier analysis was performed on the topographic data from the central 6 mm, and data were decomposed into asymmetric and higher order components for analysis.

Results: There was no correlation between the glare score and pre-treatment keratometric value, pre-treatment cylinder, post-treatment sphere, and post-treatment cylinder. However, there was a statistically significant correlation between pre-treatment sphere and glare score (Pearson correlation coefficient, r = -0.54, p < 0.01). SRI and SAI significantly correlated with glare score (SRI: r = 0.52, p < 0.01, SAI: r = 0.41, p < 0.05). Higher order and asymmetric components were also significantly correlated with glare score (asymmetry: r = 0.61, p < 0.01, higher order: r = 0.67, p < 0.001).

Conclusions: The glare score was significantly correlated with corneal irregularity, and appeared to be a beneficial parameter for assessment of night vision performance in patients receiving orthokeratology.

Citing Articles

Impact of Defocus and High-Order Aberrations on Light Disturbance Measurements.

Amorim-de-Sousa A, Macedo-de-Araujo R, Fernandes P, Queiros A, Gonzalez-Meijome J J Ophthalmol. 2019; 2019:2874036.

PMID: 30719337 PMC: 6334342. DOI: 10.1155/2019/2874036.

Through-Focus Vision Performance and Light Disturbances of 3 New Intraocular Lenses for Presbyopia Correction.

Escandon-Garcia S, Ribeiro F, McAlinden C, Queiros A, Gonzalez-Meijome J J Ophthalmol. 2018; 2018:6165493.

PMID: 29651343 PMC: 5831879. DOI: 10.1155/2018/6165493.

Evaluating internal and ocular residual astigmatism in Chinese myopic children.

Liu Y, Cheng Y, Zhang Y, Zhang L, Zhao M, Wang K Jpn J Ophthalmol. 2017; 61(6):494-504.

PMID: 28983803 DOI: 10.1007/s10384-017-0532-y.

Corneal Aberrations, Contrast Sensitivity, and Light Distortion in Orthokeratology Patients: 1-Year Results.

Santolaria-Sanz E, Cervino A, Gonzalez-Meijome J J Ophthalmol. 2016; 2016:8453462.

PMID: 27867660 PMC: 5102743. DOI: 10.1155/2016/8453462.

Repeatability and Reproducibility of Quantitative Corneal Shape Analysis after Orthokeratology Treatment Using Image-Pro Plus Software.

Mei Y, Tang Z, Li Z, Yang X J Ophthalmol. 2016; 2016:1732476.

PMID: 27774312 PMC: 5059590. DOI: 10.1155/2016/1732476.

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