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이세엽 啓明大學校 醫科大學 1995 계명의대학술지 Vol.14 No.4
To evluate the preoperative characteristics and the results of surgically treated intermittent exotropia, I analyzed consecutive 30 patients who underwent surgery at ophthalmology department from March 1994 to July 1995 (follow up period: over than 3 month). I examined visual acuity and deviation angle preoperatively, 1 day, 1 week, 3 week, 6 week, 3 months, 6months, 12 months postoperatively. The following preoperative characteristics and surgical results were obtained. Of 30 patients, the mean onset of age was 3.1 years, male occupied 50%, female occupied 50%. The basic type which was shown in 76.7% was the most frequent one, divergence excess type was in 16.7%,convergence insufficiency type was in 6.7%. The preoperative distant deviation angle ranged from 16PD to 70PD(mean, 33PD). The incidence of operative method for monocular lateral rectus recession, Monocular lateral rectus recession and medial rectus resection, bilateral lateral rectus recession, Bilateral lateral rectus recession and monocular medial medial rectus resection, monocular lateral rectus ression and bimedial resection were 10%, 53.3%, 23.4%, 10%,3.3% respectively. The surgical results at postoperative 3 and 6 months were obtained in 76.7%(23/30), 73.7%(14/19) of the patients within 10PD angle of deviation. The incidence of undercorrection over 10PD was 26.3%(5/19), consecutive esotropia over 10PD did not developed in any of our patients at 6 months postoperatively
가성개산과다형 간헐외사시에서 수술방법에 따른 수술 결과 비교
이세엽,심지훈,이영춘 대한안과학회 2004 대한안과학회지 Vol.45 No.4
Purpose: Surgeons perform either symmetrical lateral rectus recession or monocular recession of the lateral rectus and resection of the medial rectus (recession/resection procedure) in order to correct simulated divergence excess intermittent exotropia, X(T). We compared the results of these two procedures using surgical outcomes. Methods: A total of 49 patients with simulated divergence excess X(T) were included in this study; among these 49, 32 underwent symmetrical lateral rectus recession and 17 underwent recession/resection procedure. Surgery was defined successful when the horizontal angle of deviation was within 8 prism diopters or less at distance and near at the last follow-up. Results: The rate of success at the time of final follow-up was 68.8% in those who underwent symmetrical lateral rectus recession and 70.6% in those who underwent recession/resection procedure, showing no statistically significant difference between the two groups (p>0.05). Furthermore, there were also no significant differences in the undercorrection, overcorrection rates and the decrease in the deviation at distance and near between the two surgical procedures (p>0.05). Conclusions: No difference was present between the two methods examined in this study; thus, either of the two methods would be suitable for the correction of simulated divergence excess X(T). Purpose: Surgeons perform either symmetrical lateral rectus recession or monocular recession of the lateral rectus and resection of the medial rectus (recession/resection procedure) in order to correct simulated divergence excess intermittent exotropia, X(T). We compared the results of these two procedures using surgical outcomes. Methods: A total of 49 patients with simulated divergence excess X(T) were included in this study; among these 49, 32 underwent symmetrical lateral rectus recession and 17 underwent recession/resection procedure. Surgery was defined successful when the horizontal angle of deviation was within 8 prism diopters or less at distance and near at the last follow-up. Results: The rate of success at the time of final follow-up was 68.8% in those who underwent symmetrical lateral rectus recession and 70.6% in those who underwent recession/resection procedure, showing no statistically significant difference between the two groups (p>0.05). Furthermore, there were also no significant differences in the undercorrection, overcorrection rates and the decrease in the deviation at distance and near between the 목적 : 가성개산과다형 간헐외사시 환자의 수술방법은 술자에 따라서 두눈 외직근후전술 혹은 한눈 내직근절제 및 외직근후전술이 사용되고 있다. 이에 저자들은 두 가지 수술방법에 따른 수술결과를 비교하고자 하였다. 대상과 방법 : 두눈 외직근후전술을 시행받은 32명, 한눈 내직근절제와 외직근후전술을 시행받은 17명, 총 49명의 가성개산과다형 간헐외사시 환자를 대상으로 하였다. 수술의 성공은 최종 추적관찰시 원거리와 근거리 수평 편위각이 8프리즘디옵터 이내로 하였다. 결과 : 최종 추적관찰시 수술 성공율은 두눈 외직근후전술을 시행받은 군에서는 68.8%, 한눈 내직근절제와 외직근후전술을 받은 군에서는 70.6%로 두 군간에 통계학적으로 유의한 차이가 없었다. (p>0.05). 뿐만 아니라, 부족교정률, 과교정률 그리고 원거리와 근거리 편위각의 차이의 감소량도 두 군간의 차이가 없었다(p>0.05). 결론 : 가성개산과다형 간헐외사시에서 두 가지 수술방법의 수술결과에서 차이가 없어 어느 방법을 사용하여도 효과적으로 치료할 수 있다고 사료된다.
간헐외사시에서 기본형과 거짓눈벌림과다형의 양안시기능 비교
이세엽,김학용,이영춘,Se-Youp Lee,Hak-Yong Kim,Young-Chun Lee 대한안과학회 2005 대한안과학회지 Vol.46 No.4
Purpose: The purpose of this study was to evaluate and compare the binocular function in patients with basic and simulated divergence excess types of intermittent exotropia [X(T)]. Methods: Seventy-seven patients, 46 basic type and 31 simulated divergence excess type, were studied by Worth 4-dot test (W4D), Polarized 4-dot test (P4D), Titmus test, and distance stereoacuity test using Mentor B-VAT?II videoacuity tester. Results: Near W4D, distant W4D and distant P4D were fused in 71.7%, 8.6% and 52.2% in basic type and in 100%, 25.8% and 87.1% in simulated divergence excess type, respectively. The fusion rate in simulated divergence excess type was significantly higher, than in basic type (P=0.001, 0.04, 0.001). However, the difference in near P4D between the two types was not significant (P=0.24). In distance stereoacuity test, basic type showed 272 seconds and simulated divergence excess type showed 177 seconds, showing a significant difference (P=0.02). There was no significant difference in near stereoacuity between the two types (P=0.08). Conclusions: The study demonstrated a difference in binocular function in patients with basic and simulated divergence excess types of X(T). A better binocular function was observed in the latter group.