| Relationship between Binocular Visual Function and Quality of Life in Bilateral Normal Tension Glaucoma Patients. |
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Hong Hyun Park, Yeoun Sook Chun |
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Department of Ophthalmology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea. yschun100@hamail.net |
| 양안 정상안압녹내장 환자에서 양안 시기능과 삶의 질과의 연관성 |
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박홍현⋅전연숙 |
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중앙대학교 의과대학 중앙대학교병원 안과학교실 |
Correspondence:
Yeoun Sook Chun,
Email: yschun100@hamail.net
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Received: 13 October 2016 • Revised: 1 December 2016 • Accepted: 17 January 2017 |
| Abstract |
PURPOSE
To analyze the effect of stereopsis and contrast sensitivity on the quality of life and to evaluate the relationship between integrated binocular visual field (IVF) and binocular visual function in bilateral normal tension glaucoma (NTG) patients. METHODS: Stereopsis and contrast sensitivity tests were performed and compared among 44 NTG patients and 32 normal subjects. The IVF was integrated using the best location method. The correlation between visual function and subscales of the National Eye Institute Visual Function Questionnaire 25 (NEI VFQ-25) was evaluated using univariate linear regression. RESULTS: Stereopsis and contrast sensitivity for the bilateral NTG patients were decreased compared to the normal controls. Stereopsis and contrast sensitivity exhibited a significant correlation with social functions related to vision and color vision among subscales of NEI VFQ-25. IVF mean deviation (MD) and better eye MD showed a significant correlation with stereopsis and contrast sensitivity, while worse eye MD showed no association. CONCLUSIONS: Deterioration of stereopsis and contrast sensitivity in NTG patients affects their quality of life related to social functions and color vision. Both IVF and better eye MDs are correlated with stereopsis and contrast sensitivity in NTG patients. |
| Key Words:
Binocular visual function;Contrast sensitivity;Normal tension glaucoma;Quality of life;Stereopsis |
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