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12세 미만 간헐성 외사시안의 수술 이후 시각훈련효과에 대한 임상연구
장우영,이승욱,Jang, Woo-Yeong,Lee, Seung-Wook 한국임상보건과학회 2021 한국임상보건과학회지 Vol.9 No.2
Purpose. This study conducted visual function training for children under 12 years of age who relapsed after surgery for intermittent exotropia. We are trying to find out whether the visual function has been improved by visual function training. Methods. After surgery, the subject with recurrent exotropia was given a prescription for refractive error, followed by visual function training and vision therapy with visual sence using prisms and lenses. Results. The subjects' positive relative convergence improved to 19.69𝚫, corrected visual acuity improved to 0.88, and stereoscopic vision function improved to 53.08 arc second. It was found that the smaller the angle of deviation at the time of recurrence after surgery, the better the vision therapy effect. Conclusions. It can be seen that visual function training is helpful in improving visual function, and the importance of visual function training can be known.
렌즈 보존액 CLlWELL<sup>TM</sup>에 대한 안점막자극성시험
장우영,이정영,Jang, Woo-Yeong,Lee, Jeong-Yeong 한국안광학회 2007 한국안광학회지 Vol.12 No.2
시판중인 렌즈 보존액 중 가장 흔히 사용 또는 유통되고 있는 CLIWELL$^{TM}$에 대한 안점막자극성 시험을 식품의약품 안전청 고시에 따라 Draize법을 이용하여 그 자극성의 정도를 평가하고, 눈에 가해질 수 있는 잠재적인 독성을 평가하기 위하여, 배출물에 대한 도말표본 상에서 염증세포 및 비 염증성 유상피세포가 차지하는 비율과 함께 점안 14일 후 안구 중, 각막, 홍채, 망막 및 공막의 조직병리학적 관찰을 실시한 결과 다음과 같은 결과를 얻었다. 비 세척군에서는 점안 후 1, 2 및 3일에 국한하여, 각막과 결막에 경미한 자극이 관찰되어, 이 기간 동안의 평균 안점막 자극지수 MIOI가 각각 4.50, 1.67 및 0.67로 관찰되었으며, 세척군에서는 점안 후 1 및 2일에 국한하여, 결막에서 경미한 자극성이 인정되었고, 이때 MIOI는 각각 0.67로 관찰되었다. 따라서 CLIWELL$^{TM}$은 세척군 및 비 세척군 모두에서 MIOI가 모든 관찰 기간에서 4.50이하로 관찰되었으며, IAOI 역시 점안 1일 후 4.50으로 관찰되어 무자극성 물질로 판단되었다. 한편 배출물에 대한 염증성 세포의 비율은 무처치 대조군과 비교하여 점안 1일 후 유의성 있는 염증세포 비율의 증가가 비세척군에 국한하여 인정된 이외에 의미 있는 변화는 인정되지 않았다. 또한 안구의 조직병리학적 검사에서 각막, 홍채, 망막 및 공막 모두에서 무처치 대조군과 비교하여 의미 있는 변화는 인정되지 않았다. The eye irritant test of lens washing agent, CLIWELL$^{TM}$ was conducted using Draize methods according to KFDA Guidelines. In addition, to test the potential toxicity of test articles, the ratio of inflammatory cells and non-inflammatory epitheloid cells was also observed using smear cytology methods against ocular discharge. At sacrifice, the histopathological changes on Cornea, Iris, Retina and Sclera were also observed in all animals. Slight irritancy of cornea and conjunctiva was observed at 1, 2 and 3 days after dropping in non-washing group. The MIOI of these points are detected as 4.50, 1.67 and 0.67, respectively. In washing group, slight irritancy of cornea and conjunctiva were observed at 1 and 2 days after dropping with MIOI as 0.67, respectively. Therefore, CLIWELL$^{TM}$ was considered as non-irritating materials because the MIOI is detected below 5.00 throughout the whole experimental periods in both washing and non-washing groups and the IAOI was also detected as 4.50. Except for significant increase of the inflammatory cell ratios in ocular discharge at 1 day after dropping of non-washing group compared to that non-treated intact eyes, no meaningful changes on smear cytology of ocular discharges are observed in this study. In addition, no abnormal histopathological changes on the cornea, iris, retina and sclera were also detected in CLIWELL$^{TM}$ dropping group compared to that of non-treated intact eyes.
장우영,이정영,박정식,Jang, Woo-Yeong,Lee, Jeong-Yeong,Park, Jeong-Sik 한국임상보건과학회 2014 한국임상보건과학회지 Vol.2 No.4
Purpose. Scheduled calibration of refractive error's have various refractive surgery, and a side effect of post refractive surgery for refractive errors's before refractive surgery, by analyzing the eye condition of the refractive error's good state, it tries to increase the satisfaction of refractive error's refractive surgery. Methods. In response to 60 people preoperative data 20-30 generations of age, were analyzed for eye conditions. Results. IOP, thickness of the cornea, liquid leakage amount inspection, the corneal endothelium inspection, the size of the pupil, have been conducted auto refraction test and showed a numerical value in most normal range. Conclusion. Surgery can be of individual differences of patients, it is difficult to define the full normal range, to the surgery based on the case of this study, the side effects of patients after surgery is expected to be prevention.