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- 저자 : 정진권.Yong (검색결과 3 건)
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고도근시 환자에서 부분결합간섭계와 초음파를 이용한 생체측정
정진권,최철명,유용성,이성진.JK Chung. M.D.. Chul Myong Choe. M.D.. Yong Sung You. M.D.. Sung Jin Lee. M.D. 대한안과학회 2006 대한안과학회지 Vol.47 No.3
Purpose: To compare the refractive outcome of clear lens extraction employing partial coherence interferometry data with that of applanation ultrasonography. Methods: Thirty eyes of 17 patients with axial length greater than 26 mm who underwent clear lens extraction were enrolled in this study. IOL power was measured using IOLMaster and conventional ultrasonography. Differences between predicted refraction and actual refraction were compared and analyzed according to the biometry method and IOL power calculation formulas. Results: Axial length according to IOLMaster measurement (29.23±1.40 mm) was significantly longer than that measured by ultrasonography (28.68±1.32 mm) (p=0.000). The difference between actual and predicted refraction was 0.75±0.40 diopter by SRK/T with IOLMaster and 0.44±0.52 diopter by SRK/T with A-scan. The standard errors of the two measurement methods were 0.08 and 0.10, respectively. Eighty-five percent and one hundred percent of patients were within 1 diopter, as measured by SRK/T with IOLMaster and with A-scan, respectively. Conclusions: The use of the IOLMaster with the SRK/T formula may be an accurate method of IOL calculation in cases of high myopes, if surgeon factors are corrected for.
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빛간섭단층촬영을 이용한 정상, 녹내장의증, 초기 녹내장에서의 변수 비교분석
박수은,정진권,정지용,박성희,Su Eun Park,M,D,Jin Kwon Jung,M,D,Ji Yong Jung,M,D,Song Hee Park,M,D 대한안과학회 2007 대한안과학회지 Vol.48 No.10
Purpose: The objective of this study is to compare optic nerve head (ONH) analysis parameters and retinal nerve fiber layer (RNFL) thickness parameters as measured by optical coherence tomography (OCT) among age-matched normal eyes, glaucoma-suspect eyes, and early glaucomatous eyes; and to determine the discriminating parameter best suited to distinguish early glaucoma in age-matched normal eyes and glaucoma- suspect eyes. Methods: One hundred two normal eyes, 72 glaucoma-suspect eyes, and 85 eyes with early glaucoma that had been submitted to OCT and Humphrey field analysis were enrolled in this study. Optic nerve head analysis values and RNFL thickness values with OCT scans were compared among all groups. Sensitivity and specificity for the detection of early glaucoma were determined with a receiver operating characteristic (ROC) curve. Results: The best-suited parameters were determined to be from 0.637 to 0.753 in optic nerve head parameters and from 0.506 to 0.759 in RNFL thickness parameters calculated with the area under the ROC curve (AUROC). The average thickness for early glaucomatous eye (0.818) had the widest AUROC among all parameters. The sensitivity and specificity of RNFL thickness parameter were determined to be 49.4% and 93.1%, respectively, at the cut-off value 92.17 m. Conclusions: Optic nerve head and RNFL thickness parameters measured with OCT have relatively high sensitivity and specificity for detecting early glaucomatous eyes. Furthermore, they may provide clinically relevant information for the detection of early glaucomatous damage and for monitoring glaucomatous changes.
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김용준,정진권.Yong Joon Kim. MD. Jin Kwon Chung. MD 대한안과학회 2014 대한안과학회지 Vol.55 No.3
Purpose: To evaluate the success and complication rates of triple procedure, including pterygium excision, marginal amniotic membrane insertion beneath the conjunctiva, and limbal-conjunctival autograft in pterygium surgery. Methods: We conducted a retrospective study on 45 eyes of 45 patients who underwent pterygium surgery between August 2011 and October 2012. After pterygium excision, amniotic membrane was placed beneath the conjunctiva along the margin of the exposed sclera followed by a limbal conjunctival autograft. Success rates, intraoperative and postoperative complications were evaluated. Results: Forty-three eyes with primary pterygium and 2 eyes with recurrent pterygium were enrolled in the present study. The mean age of the patients was 59.87 ± 14.30 years with a mean follow-up of 12.9 ± 4.6 months. There were no complications during surgery. Early postoperative complications included partial wound dehiscence in 1 eye and a simple conjunctival cyst on the autografted conjunctiva in the another eye. No clinically significant recurrence (G2, G3) was noted during the observational periods. Thirty-nine (86.7%) and 6 (13.3%) eyes were graded as G0 and G1, respectively. Conclusions: Our surgical technique not only has the benefits of the limbal conjunctival autograft acting as a barrier against fibrovascular invasion of the cornea and supplying stem cells to the corneal epithelium but also has antiangiogenic effects of amniotic membrane with minimal use. In addition, this technique is a safe surgical method in primary and recurrent pterygium. J Korean Ophthalmol Soc 2014;55(3):354-360
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