| Comparison of the Variability of Standard Automated Perimetry between Preperimetric Glaucoma Patients and Normal Controls. |
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Sung In Kim, Hae Young Lopilly Park, Chan Kee Park |
1Saevit Eye Hospital, Goyang, Korea.
2Department of Ophthalmology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea. ckpark@catholic.ac.kr |
| 시야결손 전 녹내장군과 정상군에서 표준자동시야검사의 변동성 비교 |
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김성인1⋅박혜영2⋅박찬기2 |
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새빛안과병원1, 가톨릭대학교 의과대학 서울성모병원 안과학교실2 |
Correspondence:
Chan Kee Park,
Email: ckpark@catholic.ac.kr
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Received: 28 September 2017 • Revised: 23 October 2017 • Accepted: 15 December 2017 |
| Abstract |
PURPOSE
To compare the variability of standard automated perimetry (SAP) between patients with preperimetric glaucoma (PPG) and normal controls. METHODS: This study included 67 eyes, classified into the following groups: 30 eyes, normal controls; and 37 eyes, PPG. All subjects were examined with 24-2 Humphrey static perimetry. The visual field was divided into superonasal, superotemporal, inferonasal, and inferotemporal sectors. The variability of SAP was obtained using the standard deviation of sensitivity points at each location. We compared the variability of SAP between the normal controls and PPG patients. RESULTS: The variability of SAP was higher in the PPG group compared with the normal control group (p < 0.001). There was also a significant correlation between the variability of SAP and intraocular pressure fluctuations and retinal nerve fiber layer thickness (both p < 0.05). The variability of SAP in the PPG group was higher (p < 0.05) in all areas except the inferotemporal sector compared with the normal control group. CONCLUSIONS: The variability of the SAP increased in PPG patients compared with normal controls, even when the visual field test results were normal. |
| Key Words:
Glaucoma;Perimetry;Progression;Variability |
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