- Aberrations Using Zernike Polynomials and Contact Lens
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Whang WJ
- KMID: 2532538
- Ann Optom Contact Lens.
- 2021 Jun;20(2):47-51.
- doi: 10.52725/aocl.2021.20.2.47
Aberration refers to a phase difference in light caused by a variation in the refractive power. Zernike polynomials, the most widely used method for analyzing aberrations in the human eye,... -
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- Cerebral Basilar Artery Mycotic Aneurysm Associated With Aspergillus Endogenous Endophthalmitis
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Lee MY, Whang WJ, Lee WK
- KMID: 2337909
- J Korean Ophthalmol Soc.
- 2010 Dec;51(12):1671-1675.
PURPOSE: To report a case of mycotic aneurysm of the cerebral basilar artery associated with bilateral endogenous aspergillus endophthalmitis. CASE SUMMARY: A 41-year-old man with no underlying disease presented with decreased... -
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- Descemet Membrane Endothelial Keratoplasty to Treat Graft Failure after Descemet Stripping Endothelial Keratoplasty
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Oh SE, Ha MJ, Whang WJ, Byun YS, Hwang HB, Na KS, Rho CR, Lee HS, Chung SH, Kim EC, Cho YK, Kim HS, Kim MS, Hwang HS
- KMID: 2511297
- J Korean Ophthalmol Soc.
- 2020 Dec;61(12):1532-1537.
- doi: 10.3341/jkos.2020.61.12.1532
Purpose: We report a case of secondary Descemet membrane endothelial keratoplasty (DMEK) to treat graft failure after Descemet stripping endothelial keratoplasty (DSEK). Case summary: A 66-year-old female underwent DSEK of her... -
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- Peritalar Dislocations or Fracture-Dislocations
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Rhee SK, Lee HS, Park JB, Chung JW, Um EY, Whang WJ
- KMID: 2310243
- J Korean Fract Soc.
- 2001 Oct;14(4):689-697.
PURPOSE: To find the proper way and timing of treatment for minimizing the posttraumatic complication of peritalar dislocation or fracture-dislocation. MATERIALS AND METHODS: We reviewed total 12 cases of peritalar dislocation... -
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- Descemet Membrane Endothelial Keratoplasty after Penetrating Keratoplasty Graft Failure
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Son WY, Ha MJ, Whang WJ, Byun YS, Hwang HB, Na KS, Rho CR, Lee HS, Chung SH, Kim EC, Cho YK, Kim HS, Hwang HS
- KMID: 2516814
- J Korean Ophthalmol Soc.
- 2021 Jun;62(6):848-854.
- doi: 10.3341/jkos.2021.62.6.848
Purpose: To report a case of a successful secondary Descemet membrane endothelial keratoplasty in failed penetrating keratoplasty. Case summary: A 46-year-old male with keratoconus in both of his eyes underwent... -
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- Preoperative Biometry and Effective Adding Power of the Multifocal Intraocular Lens
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Lee J, Whang WJ
- KMID: 2532514
- Ann Optom Contact Lens.
- 2022 Jun;21(2):61-66.
- doi: 10.52725/aocl.2022.21.2.61
Purpose: To calculate the length of near focus or effective adding power on the corneal plane after implantation of a diffractive multifocal intraocular lens (IOL). Methods: The study was designed as... -
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- Descemet Stripping Automated Endothelial Keratoplasty for Repeated Penetrating Keratoplasty Graft Failure
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Hwang GD, Yun HY, Ha MJ, Whang WJ, Chang DJ, Hwang HS, Na KS
- KMID: 2514255
- J Korean Ophthalmol Soc.
- 2021 Mar;62(3):394-399.
- doi: 10.3341/jkos.2021.62.3.394
Purpose: To report a case of Descemet stripping automated endothelial keratoplasty (DSAEK) for graft failure after re-penetrating keratoplasty (PK). Case summary: A 33-year-old man of Indian nationality who had developed right... -
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- Repeat Descemet Membrane Endothelial Keratoplasty after Descemet Membrane Endothelial Keratoplasty Graft Failure
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Kim GH, Ha MJ, Chang DJ, Whang WJ, Byun YS, Hwang HB, Na KS, Rho CR, Lee HS, Chung SH, Kim EC, Cho YK, Kim HS, Kim MS, Hwang HS
- KMID: 2515955
- J Korean Ophthalmol Soc.
- 2021 May;62(5):702-708.
- doi: 10.3341/jkos.2021.62.5.702
Purpose: To report a case of secondary Descemet membrane endothelial keratoplasty (DMEK) for graft failure after primary DMEK. Case summary: A 47-year-old female underwent primary DMEK in her left eye with... -
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- Usefulness of Refractive Measurement by Wavefront Aberrometer in Children
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Oh SE, Whang WJ, Park MR
- KMID: 2515951
- J Korean Ophthalmol Soc.
- 2021 May;62(5):680-687.
- doi: 10.3341/jkos.2021.62.5.680
Purpose: To compare the refractive measurements from a wavefront aberrometer, autorefractor, and retinoscopy after cycloplegia in evaluating the usefulness and validity of refractive measurements by a wavefront aberrometer in children. Methods:... -
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- Development of an Instrument for Slit-lamp Examination of Donor Corneas in Preservation Medium
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Nam GH, Kim DR, Yoon YC, Yang SW, Whang WJ, Byun YS, Hwang HB, Na KS, Lee HS, Chung SH, Kim EC, Cho YK, Kim HS, Hwang HS
- KMID: 2552428
- J Korean Ophthalmol Soc.
- 2024 Feb;65(2):108-116.
- doi: 10.3341/jkos.2024.65.2.108
Purpose: To evaluate the effectiveness of an instrument devised for slit-lamp examination of donor corneas suspended in preservation medium. Methods: The study examined two donor corneas received at Yeouido St. Mary's... -
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- Comparison of Short Term Clinical Results Between Epi-LASIK and Femtosecond LASIK
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Kim SI, Whang WJ, Byun YS, Song JH, Na KS, Joo CK
- KMID: 2337894
- J Korean Ophthalmol Soc.
- 2010 Dec;51(12):1573-1578.
PURPOSE: To compare short-term clinical results of femtosecond LASIK with those of epi-LASIK. METHODS: Twenty subjects (40 eyes) underwent femtosecond LASIK and 20 subjects (40 eyes) underwent epi-LASIK for myopia with... -
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- Trends in Corneal Transplantation Revealed by KONOS and Health Insurance Review and Assessment Service Annual Reports
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Lee J, Lee SY, Yoon YC, Park SK, Whang WJ, Byun YS, Hwang HB, Na KS, Lee HS, Chung SH, Kim EC, Cho YK, Kim HS, Hwang HS
- KMID: 2542160
- J Korean Ophthalmol Soc.
- 2023 Apr;64(4):273-280.
- doi: 10.3341/jkos.2023.64.4.273
Purpose: To analyze trends in corneal transplantation surgery and determine the number of domestic and imported corneal grafts used in South Korea. Method: The total number of keratoplasties and number of... -
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- Comparison of Accuracy of Six Modern Intraocular Lens Power Calculation Formulas
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Yoon JH, Whang WJ
- KMID: 2546489
- Korean J Ophthalmol.
- 2023 Oct;37(5):380-386.
- doi: 10.3341/kjo.2023.0034
Purpose: To compare the accuracy of modern intraocular lens (IOL) power calculation formulas in predicting refractive outcomes after standard cataract surgery. Methods: The medical records of 203 eyes from 203 patients... -
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- In Vivo Human Lacrimal Gland Imaging Using an Ultrasound Biomicroscopy
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Park C, Kim DR, Yoon YC, Yang S, Whang WJ, Byun YS, Hwang HB, Na KS, Lee HS, Chung SH, Kim EC, Cho YK, Kim HS, Hwang H
- KMID: 2556193
- Korean J Ophthalmol.
- 2024 Jun;38(3):227-235.
- doi: 10.3341/kjo.2023.0134
Purpose: In the present study, we introduce human lacrimal gland imaging using an ultrasound biomicroscopy (UBM) with a soft cover and show their findings Methods: The representative UBM findings of palpebral... -
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- Prediction of Effective Lens Position by Reference to the Preoperative Axial Length
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Kim GH, Whang WJ, Kim HS
- KMID: 2514244
- J Korean Ophthalmol Soc.
- 2021 Mar;62(3):308-314.
- doi: 10.3341/jkos.2021.62.3.308
Purpose: We derived optimal formulae permitting effective lens position (ELP) for patients differing in terms of their preoperative axial lengths as revealed by partial coherence interferometry. Methods: We included 736 eyes... -
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- Steep Axis Incision Versus Temporal Incision in Microcoaxial Cataract Surgery
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Whang WJ, Byun YS, Joo CK
- KMID: 2214134
- J Korean Ophthalmol Soc.
- 2011 Jan;52(1):29-33.
- doi: 10.3341/jkos.2011.52.1.29
PURPOSE: To determine if a difference exists in surgically-induced astigmatism (SIA) and the mean change in keratometric astigmatism in patients who underwent microcoaxial cataract surgery (MCCS). METHODS: A prospective study including... -
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- Corneal Asphericity Variations in Korean Myopic Children
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Kim HS, Park SK, Whang WJ, Hwangm HS, Na KS
- KMID: 2532504
- Ann Optom Contact Lens.
- 2022 Mar;21(1):15-20.
- doi: 10.52725/aocl.2022.21.1.15
Purpose: Corneal asphericity (Q-value) represents the difference in curvature from center to periphery of the cornea. This study evaluated horizontal and vertical asymmetry in corneal asphericity in myopic children and... -
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- Astigmatic Analysis before and after Surgical Excision of Limbal Dermoid: Functional Outcome
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Kim JH, Ahn YJ, Whang WJ, Park SH
- KMID: 2390074
- J Korean Ophthalmol Soc.
- 2017 Sep;58(9):1092-1098.
- doi: 10.3341/jkos.2017.58.9.1092
PURPOSE: To analyze the length and area of limbal dermoid invading the cornea and to evaluate the effects on visual acuity and astigmatism before and after surgery. METHODS: This retrospective study... -
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- Novel Method Measuring Conjunctival Microvascular Blood Flow Velocity by Zoom-lens, Ultra-high-speed Camera Attached Slit-lamp Biomicroscope
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Kim HS, Kim DR, Yoon YC, Yang SW, Yoo YS, Whang WJ, Byun YS, Hwang HB, Na KS, Lee HS, Chung SH, Kim EC, Cho YK, Kim HS, Hwang HS
- KMID: 2547862
- J Korean Ophthalmol Soc.
- 2023 Nov;64(11):1001-1008.
- doi: 10.3341/jkos.2023.64.11.1001
Purpose: To introduce an intuitive method for measuring conjunctival microvascular blood flow velocity by imaging bulbar conjunctival microvessels using a slit-lamp biomicroscope equipped with a zoom lens and an ultra-high-speed... -
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- Accuracy of Intraocular Lens Power Calculation Formulas in Primary Angle Closure Glaucoma
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Joo J, Whang WJ, Oh TH, Kang KD, Kim HS, Moon JI
- KMID: 1031183
- Korean J Ophthalmol.
- 2011 Dec;25(6):375-379.
- doi: 10.3341/kjo.2011.25.6.375
PURPOSE: To compare the accuracy of intraocular lens (IOL) power calculation formulas in eyes with primary angle closure glaucoma (ACG). METHODS: This retrospective study compared the refractive outcomes of 63 eyes... -
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