Relationship of choroidal thickness and axial length with posterior vitreous detachment in patients with high myopia

Akiko Hanyuda, Hidemasa Torii, Ken Hayashi, Atsuro Uchida, Kiwako Mori, Erisa Yotsukura, Mamoru Ogawa, Kazuno Negishi, Toshihide Kurihara, Kazuo Tsubota

研究成果: Article査読

抄録

Although accumulating evidence suggests a higher prevalence of posterior vitreous detachment (PVD) in highly myopic eyes, the relation between ocular biometric features and PVD stages in such eyes remains unclear. Therefore, we enrolled 170 patients with high myopia (axial length ≥ 26.0 mm) to investigate the status of PVD regarding subfoveal choroidal thickness and axial length. Utilising swept-source optical coherence tomography, we classified the PVD status into five stages. The distribution of PVD grades increased as the choroidal thickness decreased and axial length increased (P < 0.01). On adjusting for age and sex, decreased choroidal thickness and increased axial length were associated with more advanced PVD stages: odds ratios with the highest vs. lowest groups were 0.31 (95% confidence interval [CI] 0.09–1.01; Ptrend = 0.009) for choroidal thickness and 5.16 (95% CI 1.34–19.80; Ptrend = 0.002) for axial length. The inverse association between choroidal thickness and PVD status seemed stronger in women than in men (Pinteraction = 0.05). In conclusion, we firstly observed a significant trend of decreased choroidal thickness, along with increased axial length, with increased grade of PVD, particularly among women with highly myopic eyes, suggesting that advanced morphological myopic changes contribute to PVD in middle-aged adults.

本文言語English
論文番号4093
ジャーナルScientific reports
12
1
DOI
出版ステータスPublished - 2022 12月

ASJC Scopus subject areas

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