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당뇨망막병증 환자에서 무색 인공수정체안과 황색 착색 인공수정체안의 대조민감도 및 색각 비교
임경오,김태진,이주화,Kyung O Lim,Tai Jin Kim,Joo Hwa Lee 대한안과학회 2012 대한안과학회지 Vol.53 No.2
Purpose: To compare contrast sensitivity and color vision after implantation of a clear intraocular lens (IOL) and a yellow- tinted IOL in diabetic retinopathy patients. Methods: In the 50 eyes of 25 diabetic patients with non-proliferative diabetic retinopathy, clear IOLs were implanted in 25 eyes, and yellow-tinted IOLs were implanted in 25 fellow eyes. Three months after the surgery, contrast sensitivity function was measured with a vision contrast test system, and color discrimination was tested using the Farnsworth Munsell 100-hue test. Results: Eyes implanted with yellow-tinted IOLs had significant differences in contrast sensitivity values compared to those of fellow eyes implanted with clear IOLs in both the moderate diabetic retinopathy group (6.0 cycles per degree) and the severe diabetic retinopathy group (throughout all spatial frequencies except 12.0 cycles per degree). The yellow-tinted IOL did not modify chromatic discrimination compared with that of the clear IOL. In the blue-yellow axis error score, however, there were significant differences between the clear IOL and the yellow-tinted IOL. Conclusions: With progressing diabetic retinopathy, the yellow-tinted IOL provided better contrast sensitivity than the clear IOL. The yellow-tinted IOL improved color vision in the blue-yellow chromatic axis without causing chromatic discrimination defects. J Korean Ophthalmol Soc 2012;53(2):238-245
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조효종,임경오,황영훈,황종욱,Hyo Jong Cho,Kyung O Lim,Young Hoon Hwang,Jong Uk Hwang 대한안과학회 2012 대한안과학회지 Vol.53 No.2
Purpose: To report a case of moyamoya disease initially presenting transient visual loss in a healthy young subject. Case summary: A 20-year-old male with no history of systemic disease or trauma visited our clinic due to sudden onset visual loss in the right eye. There were no accompanying symptoms, including headache, seizure, paresis, or paresthesia. Best corrected visual acuity at the first visit was hand movement in the right eye and 20/20 in the left eye. No abnormal finding was revealed in the anterior segment. On fundus examination, whitening at post pole was found in the right eye. In fluorescein angiography, a choroidal and retinal artery filling delay in the posterior pole was noted. The patient’s visual acuity began to improve gradually and was recovered to 20/20 by the next day. Moyamoya disease was diagnosed based on magnetic resonance angiography of the brain and transfemoral cerebral angiography as well as stenosis of the internal carotid artery and middle cerebral artery with collateral vessel networks. Conclusions: Moyamoya disease should be considered as a possible cause of transient visual loss in healthy young subjects. J Korean Ophthalmol Soc 2012;53(2):353-356
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황영훈,이상목,강명승,임경오 연세대학교의과대학 2012 Yonsei medical journal Vol.53 No.1
We report a case of toxic epidermal necrolysis with ocular involvement following vaccination for hemorrhagic fever with renal syndrome. A healthy 20-year-old male soldier presented with confluent purpuric and erythematous dusky red macules evolving to flaccid blister and epidermal detachment on the whole body with conjunctival injection. The patient had no antecedent medical or surgical conditions except for two doses of hemorrhagic fever with renal syndrome vaccination. With supportive care, skin lesions were improved. Ophthalmic examinations revealed conjunctival injection with epithelial defects in both eyes. Ocular complications were resolved after amniotic membrane transplantation. Toxic epidermal necrolysis may be considered as a possible complication of hemorrhagic fever with renal syndrome vaccination.
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