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- 저자 : 정진호(Jeong Jin Ho) (검색결과 219 건)
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정진호,이혜진,이선호,김성곤.Jin Ho Jeong. MD. PhD. Hye Jin Lee. MD. Sun Ho Lee. MD. Sung Gon Kim. MD 대한안과학회 2013 대한안과학회지 Vol.54 No.7
Purpose: We report a case of congenital rubella syndrome with bilateral zonular cataracts. Case summary: A 69-year-old man visited the hospital with visual disturbance in both eyes. His mother had been diagnosed with rubella during pregnancy, exhibiting typical fever and rashes. His visual acuity and hearing ability had been poor since birth. Corrected visual acuity was 0.3 in the right eye and 0.4 in the left eye. Slit lamp examination revealed bilateral zonular cataracts. On pure tone audiometry test, pure tone hearing threshold was 73 dB in the right ear and 72 dB in the left ear, corresponding to severe hearing loss in both ears. Echocardiogram showed a 1.5 cm-sized ostium secundum atrial septal defect, causing atrial fibrillation. Laboratory workup revealed an extremely high level of IgG antibody (titer = 1:301), and negative IgM antibody. A rubella IgG avidity test was 95.5%, suggesting remote rubella infection. Chromosomal analysis from peripheral blood did not show any abnormalities. The patient was diagnosed with congenital rubella syndrome with bilateral zonular cataracts. Two months after cataract surgery on both eyes, visual acuity steadily improved to 1.0 in both eyes. Conclusions: Congenital rubella syndrome is comprised of physical abnormalities such as sensorineural hearing loss, eye defects including congenital cataract, and cardiovascular defects due to gestational rubella infection. The possibility of congenital rubella syndrome should be considered even in old age, and a systemic multi-organ approach is necessary for therapeutic planning.
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2.2 mm 및 2.8 mm 절개 백내장 수술에서 초음파 동역학이 술후 각막부종에 미치는 영향 비교
정진호,이혜진,이선호,Jin Ho Jeong,Hye Jin Lee,Sun Ho Lee 대한안과학회 2013 대한안과학회지 Vol.54 No.5
Purpose: To compare the effects of phacodynamic parameters on postoperative corneal edema between 2.8 mm and 2.2 mm microincisional coaxial cataract surgery. Methods: A prospective randomized study design was conducted and included 144 cases randomly divided into 2 coaxial cataract surgery groups based on incision size, a 2.8 mm incision (n = 72) or a 2.2 mm microincision (n = 72). The cataract was graded using the lens opacity classification system (LOCS III). The total ultrasound time (TUT), cumulative dispersed energy (CDE), average torsional amplitude (ATA), fluid amount, and case time were measured for each surgery. Central corneal thickness (CCT) was measured preoperatively, and 1 day and 1 month postoperatively. Intraoperative parameters were correlated with postoperative corneal edema. Results: The average nuclear opacity, intraoperative parameters, and postoperative corneal edema did not differ significantly between the 2 surgical groups. Regression analysis showed corneal edema to be significant in ATA (p = 0.028) in the standard (2.8-mm incision) coaxial group, whereas edema was significantly different with TUT (p = 0.001), CDE (p = 0.001), fluid amount (p = 0.021), and case time (p = 0.027) in the microcoaxial (2.2-mm microincision) group. CCT returned to baseline with an increase of 1.8% at 1 month. Conclusions: In the microcoaxial group, sustained ultrasound exposure and prolonged case time caused moderate postoperative corneal edema, while ATA was a significant factor in the standard coaxial group. These data can be used to devise an effective surgical strategy for cataract treatment.
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Hoffer Q와 SRK/T 인공수정체 도수 계산 공식의 이론적 임상적 비교
정진호,김성곤,이혜진,이선호,차동민,Jin Ho Jeong,Sung Gon Kim,Hye Jin Lee,Sun Ho Lee,Dong Min Cha 대한안과학회 2014 대한안과학회지 Vol.55 No.1
Purpose: To evaluate the biometric conditions causing increased disparity in the calculation of intraocular lens (IOL) power between the Hoffer Q and SRK/T formulas. Methods: A prospective comparative study was conducted on 365 uneventful, cataract surgeries performed at a tertiary care center by one surgeon. The IOL power was calculated using both the Hoffer Q and SRK/T formulas with A-scan biometry. For a selected IOL power, the expected disparity between the 2 formulas (EDF) was measured and the EDF value was used to categorize the cases. The resultant error associated with each formula was determined at postoperative 6 weeks. KAL was defined as the product of mean corneal power (K) and axial length (AL). Postoperative errors of both formulas were calculated and their association with preoperative biometry measurements analyzed. Results: In 17.8% of the cases, the EDF was larger than 0.4 D, possibly leading to different IOL diopter recommendations. The EDF value and the product of corneal curvature and axial length were significantly correlated (R2 = 0.855, p < 0.001). Multiple regression analysis of causative preoperative biometric factors on the postoperative formula errors showed that astigmatism, anterior chamber depth (ACD), and lens thickness (LT) were significantly associated with Hoffer Q error and SRK/T error. Conclusions: Overall, both formulas performed very well when recommending the correct IOL power. The cause of disparity between the predicted refraction for the 2 formulas was more associated with KAL than K or AL alone. Astigmatism, ACD, and LT were the causative factors for the postoperative errors in both formulas. J Korean Ophthalmol Soc 2014;55(1):85-92
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정진호,김성곤,이혜진,이선호,차동민,Jin Ho Jeong,Sung Gon Kim,Hye Jin Lee,Sun Ho Lee,Dong Min Cha 대한안과학회 2014 대한안과학회지 Vol.55 No.1
Purpose: To report a case of long anterior lens zonule and pigment dispersion syndrome. Case summary: A 67-year-old female visited our clinic with complaint of visual disturbance in the left eye. She had no history of nyctalopia. Visual acuity was 0.6 in the right eye and 0.4 in the left eye. Intraocular pressure was 12 mm Hg in the right eye and 16 mm Hg in the left eye. Nuclear sclerosis was observed in the left lens. There was no pseudoexfoliative material observed. In the left eye, long anterior zonules with brown pigmented lens striae were spotted irregularly in every direction of the anterior lens. On gonioscopy, the angle was open, and dense, uniform, trabecular meshwork pigmentations were observed at the interior 120 degrees. On fundus examination, cup-to-disc ratio was 0.4 in the right eye, 0.3 in the left eye, and multiple hard exudates were observed in both retinas. Axial length was 22.03 mm in the right eye and 21.84 in the left eye. Anterior chamber depth was 2.71 mm in the right eye and 2.47 mm in the left eye. Defects in the retinal nerve fiber or visual field examination were not observed and pigment dispersion syndrome was diagnosed. The patient showed no significant change at the 9-month follow-up. Conclusions: We diagnosed atypical pigment dispersion syndrome associated with long anterior zonules and pigmented lens striae. Late onset retinal degeneration should be ruled out with chromosomal analysis if patients show nyctalopia, retinal pigment epithelium atrophy, or family history. J Korean Ophthalmol Soc 2014;55(1):133-137
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레이져 레이 트레이싱 방식 수차계와 쉑-하트만 방식 수차계의 임상 비교
정진호,김명준,차흥원,Jin Ho Jeong,Myoung Joon Kim,Hung Won Tchah 대한안과학회 2006 대한안과학회지 Vol.47 No.12
Purpose: To compare ocular aberrations measured with a laser ray tracing aberrometer (iTrace?, Tracey technology) or a Shack-Hartmann aberrometer (ZywaveTM, Bausch & Lomb). Methods: A total of 68 eyes were included in this study. After manifest refraction (MR) and pupil dilation, aberrations and phoroptor predicted refraction (PPR) were measured with the ZywaveTM and iTrace? devices. The study group was subdivided into a more myopic group (<-4.33 Diopter (D)) and a less myopic group (>-4.33 D). The root mean square (RMS) errors of the total high order, spherical, coma and 3rd~5th order aberrations were compared. Results: The mean and SE of MR was -4.33±2.03 diopter (D), and that of the PPR was -4.20±2.13 D in iTrace? and -4.42±2.23 D in ZywaveTM. A paired-t test of the PPR and MR indicated that they were not statistically different. Zernike coefficients were expressed in the opposite sign in the 2nd and 4th order. The coma and spherical aberrations were larger in ZywaveTM. In a scattergram of each Zernike coefficient, the coefficient of determination (R2) was very low with higher order aberrations, with an exception for coma and spherical aberrations. The correlation of RMS error was greater in the less myopic group. Conclusions: Taking PPR values as a good reference of MR was a reliable method. For the HOA, only coma and spherical aberrations showed good correlations between ZywaveTM and iTrace?, and the correlations for HOA were decreased for the high myopic eyes.
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