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난치성 신생혈관 녹내장에서 Molteno implantation 3례
이세엽,김기산 啓明大學校 醫科大學 1994 계명의대학술지 Vol.13 No.4
Neovascular glaucoma is a relatively common and severe complication of several retinal disorders, especially diabetic retinopathy and central retinal vein occlusion. By mechanism that are not fully understand, a fibrovascular membrane develops on the iris and in the anterior chamber angle which obstructs aqueous outflow. The preservation of vision and control of intraocular pressure in patients with nevascular glaucoma remains a therapeutic challenge. We performed one-stage, single plate Molteno implant surgery in three eyes of 3 patients with uncontrolled neovascular glaucoma. Postoperative intraocular pressure were controlled under 20 mmHg in all cases. Visual acuity unchanged in all eyes. The postoperative complication included shallow anterior chamber and hypotony in all three eyes, flat chamber in one eye, and hyphema in one eye.
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
Thicknesses of the Fovea and Retinal Nerve Fiber Layer in Amblyopic and Normal Eyes in Children
( Se Young Kee ),( Se Youp Lee ),( Young Chun Lee ) 대한안과학회 2006 Korean Journal of Ophthalmology Vol.20 No.3
Purpose: This study was designed to assess and compare the thicknesses of the fovea and the retinal nerve fiber layer in normal children and children with amblyopia. Methods: Optical Coherence Tomography (OCT) was performed on 26 children (52 eyes total) with unilateral amblyopia that was due to anisometropia or strabismus. OCT was also performed on 42 normal children (84 eyes), for a total of 136 eyes. Retinal thickness measurements were taken from the fovea, and the retinal nerve fiber layer thickness measurements were taken from the superior, inferior, nasal and temporal quadrants in the peripapillary region. Results: The average age of the normal children was 8.5 years, and the average age of the children with amblyopia was 8.0 years. The average thickness of the fovea was 157.4 μm in normal eyes and was 158.8 μm in amblyopic eyes. The difference between the two groups was not statistically significant (p=0.551). The thicknesses of the superior, inferior, nasal and temporal quadrants of the retinal nerve fiber layer between the normal children and the children with amblyopia were also not statistically significant (p=0.751, 0.228, 0.696 and 0.228, respectively). However, for the children with anisometropic amblyopia and the children with strabismic amblyopia, the average thicknesses of the fovea were 146.5 μm and 173.1 μm, respectively, and the retinal nerve fiber layer thicknesses were measured to be 112.9 μm and 92.8 μm, respectively, and these were statistically significant differences (p=0.046, 0.034, respectively). Conclusions: Normal thicknesses of the fovea and the retinal nerve fiber layers were established, and there were no differences in the fovea and the retinal nerve fiber layer thickness found between normal children and children with amblyopia.
Change of Stereoacuity with Aging in Normal Eyes
( Se Youp Lee ),( Nam Kyun Koo ) 대한안과학회 2005 Korean Journal of Ophthalmology Vol.19 No.2
Purpose: Stereopsis in normal subjects aged between 7 and 76 years was compared to examine changes in stereopsis with age. Methods: Eighty subjects with no ocular disease were divided into 8 groups by age. Near stereopsis was evaluated with the TNO, Titmus, and Randot tests; distance stereopsis with the Mentor B-VAT II video acuity tester. Results: The results of all 4 tests showed decreased stereopsis with increasing age (p<0.05). Compared to the stereoacuity of 7 to 10-year-old group, both the TNO and distance stereopsis test results were significantly decreased for the 6th, 7th, and 8th decade groups, while both the Titmus and Randot test results were significantly decreased for the 8th decade group (p<0.05). Conclusions: Overall, both near and distance stereopsis decreased with increasing age. Thus, decreased stereopsis should be taken into account when performing the stereopsis test.