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KMID : 0360220110520020210
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Journal of the Korean Ophthalmological Society
2011 Volume.52 No. 2 p.210 ~ p.215
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Comparison of the Detection Rate, Location and Amount of Retinal Nerve Fiber Layer Defect
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Roh Young-Rae
Kwon Ji-Won
Han Young-Keun
Wee Won-Ryang
Lee Jin-Hak
Park Ki-Ho
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Abstract
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Purpose: To compare the detection rate of the patients with retinal nerve fiber layer (RNFL) defect and the amount of RNFL defect according to the patients’ age.
Methods: Retrospective chart reviews of 22,811 subjects, who visited the health care center from January 2009 to December 2009 were performed. The detection rate, location and average amount of RNFL defect and the proportions of the patients who were diagnosed with glaucoma through Humphrey visual field (HVF) test or determined as a glaucomatous optic disc were compared according to the patients’ age.
Results: The proportions of the patients whose RNFL defect were detected was highest in the patients 60 years old or older (2.3%) and was statistically significant (p = 0.012). However, there was no significant difference among the other age groups (under 40 years: 1.7%, 40 thru 49 years: 1.5%, 50 thru 59 years: 2.0%). The proportions of the patients who were determined as glaucoma through the HVF test or glaucomatous optic disc were also highest in the patients 60 years old or older (1.4%), however, there was no statistically significant difference (p = 0.070) among the age groups (under 40 years: 1.1%, 40 thru 49 years: 0.9%, 50 thru 59 years: 1.2%).
Conclusions: The RNFL defect is likely to be detected in subjects less than 40 years of age and the detection rate is similar to subjects in their 40’s and 50’s. The use of fundus photography to detect RNFL defect in a health care center is recommended in subjects under 40 years of age.
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KEYWORD
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Glaucoma, Retinal nerve fiber layer (RNFL) defect, Routine health check-up
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