Posterior vitreous detachment in highly myopic patients

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Abstract

PURPOSE. We compared the change in the state of posterior vitreous detachment (PVD) between highly myopic eyes and non-highly myopic eyes using age- and sex-matched patients. METHODS. Six hundred eyes of 600 patients with high myopia (axial length > 26.0 mm) or without high myopia were enrolled into each of six age categories with 50 eyes each: (1) 20 to 29 years, (2) 30 to 39 years, (3) 40 to 49 years, (4) 50 to 59 years, (5) 60 to 69 years, and (6) 70 to 79 years. The PVD status was evaluated using swept-source optical coherence tomography and classified into five stages: 0 (no PVD), 1 (paramacular PVD), 2 (perifoveal PVD), 3 (peripapillary PVD), and 4 (complete PVD). RESULTS. In the high myopia and non-high myopia groups, the mean PVD stage increased significantly with the age category (P < 0.0001). The PVD stage was significantly greater in the high myopia group than in the non-high myopia group in all age categories (P ≤ 0.0395). In the age groups of patients 50 to 59 years old and 60 to 69 years old, complete PVD was detected in 54.0% and 73.9% of eyes, respectively, in the high myopia group and in 14.0% and 44.0% of eyes, respectively,in the non-high myopia group. Abnormal PVD characteristics of pathologic myopia were detected in 1.7% of eyes in the high myopia group. CONCLUSIONS. We precisely revealed, using age- and sex-matched patients, that partial PVD, including paramacular, perifoveal, and peripapillary PVD, and complete PVD develop at a significantly younger age in highly myopic eyes compared with non-highly myopic eyes, suggesting that PVD-related retinal pathologies occur younger in highly myopic patients.

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APA

Hayashi, K., Manabe, S. I., Hirata, A., & Yoshimura, K. (2020). Posterior vitreous detachment in highly myopic patients. Investigative Ophthalmology and Visual Science, 61(4). https://doi.org/10.1167/iovs.61.4.33

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