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대규모 불산 누출사고가 지역사회의 눈 건강에 미치는 영향
김용준,박상혁,최경식,Yong Joon Kim,MD,Sang Hyouk Park,MD,Kyung Seek Choi,MD 대한안과학회 2013 대한안과학회지 Vol.54 No.11
Purpose: To report the ocular health of a community after an accidental release of hydrofluoric acid (HF). Methods: The hospital records of 327 patients that were exposed to HF between Sep 9, 2012 and Oct 31, 2012 were reviewed. Demographic characteristics, subjective ocular symptoms, and the ophthalmologic examination results of the patients were analyzed retrospectively. Results: Among the 327 patients, 203 patients (62.1%) were exposed to hydrofluoric acid (HF) within 1,000 m of the site of the accident. A total of 131 patients (40.1%) were exposed to HF over 3 days. The most frequently reported ocular symptoms after HF exposure were ocular pain (49.5%) and conjunctival hyperemia (37.9%). Conjunctival hyperemia (43.4%), corneal erosion (23.9%), conjunctiva papilla, and follicles (24.2% and 14.4%, respectively) were noted during ophthalmologic examinations, but 46.2% of patients were normal on examination. None of the patients had vision-threatening damages. Conclusions: In this study, severe ocular surface changes, which can affect vision, were not identified. This result could be explained by the low atmospheric HF concentration after the accident. J Korean Ophthalmol Soc 2013;54(11):1663-1668
반맹에서 반시야 문양 시유발전위와 빛간섭단층촬영과의 일치성
박성용,박상혁,하승주,박성희,Sung Yong Park,Sang Hyouk Park,Seung Joo Ha,Song Hee Park 대한안과학회 2008 대한안과학회지 Vol.49 No.11
Purpose: To analyze the correlation between RNFL thickness changes measured by OCT and hemifield pattern VEP in hemianopic visual field loss. Methods: Twelve eyes of six patients with hemianopia were studied. Two patients had bitemporal hemianopia caused by chiasmal tumor, one patient had inferior hemianopia caused by traumatic optic neuropathy, and three patients had homonymous hemianopia caused by occipital lobe lesions. The retinal nerve fiber layer thickness around the optic disc was measured by optical coherence tomography (OCT) and visual pattern evoked potentials were measured using hemifield stimulations. Results: Normal eyes of traumatic optic neuropathy patients were excluded from the analysis. The retinal nerve fiber layer thickness as measured by OCT corresponded to the visual field defect in 9 of 11 eyes (81.8%) and the hemifield pattern VEP response corresponded to visual field defect in 7 of 11 eyes (63.6%). Conclusions: RNFL thickness measurement by OCT and hemifield PVEP are useful in evaluation of patients with hemianopia. However, they should be performed with caution, and compared with various clinical examinations because of their incomplete correlation with visual field defects. J Korean Ophthalmol Soc 2008;49(11):1819-1828