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KMID : 0360220100510020220
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Journal of the Korean Ophthalmological Society
2010 Volume.51 No. 2 p.220 ~ p.226
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Comparison of Total Deviation of Standard Automated Perimetry and Matrix FDT in Preperimetric Glaucoma Patients
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Choi Jung-Hoon
Park In-Won
Chung Yun-Suk
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Abstract
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Purpose: To compare the results of total deviation (TD) as measured by standard automated perimetry (SAP) and measured with of Matrix Frequency-doubling Technology (FDT) in patients with preperimetric glaucoma.
Methods: Fifty-two eyes of 52 patients with preperimetric glaucoma were included. Subjects were examined with Matrix FDT and Stratus optical coherence tomography (OCT), and the results of each examination were analyzed. The proportions of abnormal results in SAP TD, Matrix TD, and Matrix pattern deviation (PD) were calculated. Among the results of tests, the following correlations were evaluated: SAP TD and Matrix, and visual fields and OCT. In addition, the differences in peripapillary retinal nerve fiber layer thickness (RNFL) according to the result of SAP TD in preperimetric patients with abnormal Matrix PD were analyzed.
Results: A abnormalities in SAP TD, Matrix TD and Matrix PD were found in 22 (42.3%), 34 (65.4%), 41 (78.9%) eyes, respectively. There was marginal correlation between SAP TD and Matrix PD (p=0.07). No significant correlation was found between SAP TD and OCT, although Matrix PD and OCT did show significant correlation (p<0.05). In preperimetric patients with abnormal Matrix PD, RNFL thickness was significantly lower in the abnormal SAP TD group than in the normal SAP TD group on average, in the superior quadrant, and at the 12 o’clock and 5 o’clock positions (p＜0.05).
Conclusions: In patients with preperimetric glaucoma, 42.3% and 78.9% had glaucomatous VF defects in SAP TD and Matrix PD, respectively. These results were higher than expected, especially those of SAP TD.
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KEYWORD
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Matrix frequency-doubling technology, Optical coherence tomography, Preperimetric glaucoma, Standard automated perimetry, Total deviation
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