The Optic Nerve Head in Primary Open-Angle Glaucoma Eyes With High Myopia: Characteristics and Association With Visual Field Defects

被引:21
作者
Chen, Li-Wei [1 ]
Lan, Yu-Wen [2 ,3 ,4 ]
Hsieh, Jui-Wen [3 ,5 ,6 ]
机构
[1] Yonghe Cardinal Tien Hosp, Dept Ophthalmol, New Taipei, Taiwan
[2] Mackay Med Coll, Dept Med, New Taipei, Taiwan
[3] MacKay Mem Hosp, Dept Ophthalmol, 92,Sect 2,Zhongshan N Rd, Taipei 104, Taiwan
[4] Mackay Jr Coll Med Nursing & Management, Taipei, Taiwan
[5] Natl Taiwan Univ, Dept Ophthalmol, Taipei, Taiwan
[6] Taipei Med Univ, Taipei, Taiwan
关键词
primary open-angle glaucoma; myopia; glaucomatous optic neuropathy; glaucomatous visual field defect; tilted optic disc; POPULATION PREVALENCE; RISK-FACTOR; DISK; DAMAGE; PERIMETRY; PROGRESSION;
D O I
10.1097/IJG.0000000000000395
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Purpose: To evaluate the morphologic characteristics of optic neuropathy and its association with visual field (VF) defects in primary open-angle glaucoma (POAG) eyes with high myopia. Methods: In this cross-sectional study, we reviewed data from 375 Taiwanese patients (375 eyes) of POAG, ages 20 to 60 years. Optic disc photographs were used for planimetric measurements of morphologic variables. The myopic refraction was divided into high myopia (< -6.0 D) and nonhigh myopia (moderate myopia to hyperopia). The optic disc area was classified as moderate (1.59 to 2.85 mm(2)), large, and small. Differences in characteristics between groups, correlations with the disc area, and factors associated with VF defects were determined. Results: Of the 142 highly myopic eyes, 33 (23%) had a large disc, 26 (18%) had a small disc, and 55 (39%) had a tilted disc. Large discs had a higher cup-to-disc (C/D) area ratio and a higher tilt ratio; small discs had a smaller rim area and a lower tilt ratio (all P < 0.05). Characteristics associated with high myopia included a smaller rim area, a higher C/D area ratio, and a lower tilt ratio (all P < 0.001). In logistic regression, the refraction, the C/D area ratio, the rim area, and the tilt ratio (all P < 0.05) were associated with VF defects. Conclusions: In Taiwanese individuals with POAG, our study found that tilted, large, or small discs were prevalent in highly myopic eyes. Of these characteristics, only the disc tilt and high myopia by itself were associated with the severity of glaucomatous optic neuropathy.
引用
收藏
页码:E569 / E575
页数:7
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