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Hungwon Tchah

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Jae Yong Kim; Myoung Joon Kim; Jung Hae Sunwoo; Sung-Woo Joo; Eun-Soon Kim; Hungwon Tchah
Lower energy to make a corneal flap with a 60 kHz femtosecond laser reduces flap inflammation and corneal stromal cell death but weakens flap adhesion.
Jae-hyung Kim; Jae Yong Kim; Myoung Joon Kim; Dong-Ah Ko; Hungwon Tchah
Phaco-efficiency test and re-aspiration analysis of repulsed particle in phacoemulsification.
Jae Yong Kim; Myoung Joon Kim; Michael S Kook; Hee Gyung Lee; Hye Young Park; Hungwon Tchah
The efficacy and safety of episcleral pigmentation removal from pig eyes: using a 532-nm quality-switched Nd: YAG laser.

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All Publications

2013: Jae Yong Kim; Myoung Joon Kim; Jung Hae Sunwoo; Sung-Woo Joo; Eun-Soon Kim; Hungwon Tchah
Lower energy to make a corneal flap with a 60 kHz femtosecond laser reduces flap inflammation and corneal stromal cell death but weakens flap adhesion.
Korean journal of ophthalmology : KJO 2013;27(2):120-5.
2013: Jae-hyung Kim; Jae Yong Kim; Myoung Joon Kim; Dong-Ah Ko; Hungwon Tchah
Phaco-efficiency test and re-aspiration analysis of repulsed particle in phacoemulsification.
Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv für klinische und experimentelle Ophthalmologie 2013;251(4):1157-61.
2012: Jae Yong Kim; Myoung Joon Kim; Michael S Kook; Hee Gyung Lee; Hye Young Park; Hungwon Tchah
The efficacy and safety of episcleral pigmentation removal from pig eyes: using a 532-nm quality-switched Nd: YAG laser.
Cornea 2012;31(12):1449-54.
2012: Kyoung Sub Lee; Hungwon Tchah; Eun-Soon Kim; Myoung Joon Kim; Dong-Ah Ko; Jae Yong Kim
Bevacizumab and rapamycin can decrease corneal opacity and apoptotic keratocyte number following photorefractive keratectomy.
Investigative ophthalmology & visual science 2012;53(12):7645-53.
2012: Jae Yong Kim; Myoung Joon Kim; Jooeun Lee; Su Hwan Lee; Jung Taeck Hong; Hungwon Tchah
Surgical reduction of ocular pigmentation in patients with oculodermal melanocytosis.
Cornea 2012;31(5):520-4.
2012: Yoon Jeon Kim; Hungwon Tchah; Myoung Joon Kim; Jae Yong Kim
Descemet membranotomy with an Nd:YAG laser can be used to treat pre-Descemet hemorrhage.
Cornea 2012;31(2):206-8.
2011: Jae-hyung Kim; Jae Yong Kim; Myoung Joon Kim; Jung Min Ko; Inchul Lee; Hungwon Tchah
A novel mutation of the decorin gene identified in a Korean family with congenital hereditary stromal dystrophy.
Cornea 2011;30(12):1473-7.
2011: Jae-Hyung Kim; Jae Yong Kim; Myoung Joon Kim; Dong Yoon Kim; Hungwon Tchah
Recurrent corneal hypertrophic scar after laser-assisted subepithelial keratectomy with mitomycin C treatment.
Cornea 2011;30(9):1030-4.
2011: Jooeun Lee; Jung Hae Sunwoo; Eun Jung Jun; Eun Soon Kim; Jae-hyung Kim; Jae Yong Kim; Myoung Joon Kim; Yoo Kyum Kim; Heuiran Lee; Hungwon Tchah
An ex vivo model of coxsackievirus infection using multilayered human conjunctival epithelial cells.
Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv für klinische und experimentelle Ophthalmologie 2011;249(9):1327-32.
2011: Myoung Joon Kim; Scott Macrae; Hungwon Tchah; Len Zheleznyak; Geunyoung Yoon
Objective evaluation of through-focus optical performance of presbyopia-correcting intraocular lenses using an optical bench system.
Journal of cataract and refractive surgery 2011;37(7):1305-12.
2011: Jae Yong Kim; Kyoung-Hoon Kim; Myoung Joon Kim; Hungwon Tchah
Central thickening of the donor posterior corneal disc in femtosecond-laser-assisted Descemet's stripping endothelial keratoplasty.
Japanese journal of ophthalmology 2011;55(4):423-4.
2011: Robert Edward T Ang; Karen B Reyes; Jo Anne P Hernandez; Hungwon Tchah
Wavefront-guided epithelial laser in situ keratomileusis with mitomycin-C for myopia and myopic astigmatism: flap-on versus flap-off technique.
Journal of cataract and refractive surgery 2011;37(6):1133-9.
2011: Eun Jung Jun; Min Ah Won; Jeonghyun Ahn; Ara Ko; Haein Moon; Hungwon Tchah; Yoo Kyum Kim; Heuiran Lee
An antiviral small-interfering RNA simultaneously effective against the most prevalent enteroviruses causing acute hemorrhagic conjunctivitis.
Investigative ophthalmology & visual science 2011;52(1):58-63.
2010: Jae-Hyung Kim; Myoung Joon Kim; Christopher Stoeger; Jameson Clover; Jae Yong Kim; Hungwon Tchah
Comparison of in situ excision and whole-globe recovery of corneal tissue in a large, single eye bank series.
American journal of ophthalmology 2010;150(3):427-433.e1.
2010: Jae-Hyung Kim; Taehyung Lim; Hee Gyung Lee; Jae Yong Kim; Myoung Joon Kim; Hungwon Tchah
Bilateral comparison of conventional epithelial laser in situ keratomileusis and lamellar epithelial debridement for moderate to high myopia.
Cornea 2010;29(8):853-7.
2010: Jae-Hyung Kim; Jooeun Lee; Jae Yong Kim; Hungwon Tchah
Early postoperative pain and visual outcomes following epipolis-laser in situ keratomileusis and photorefractive keratectomy.
Korean journal of ophthalmology : KJO 2010;24(3):143-7.
2010: Jae Hwan Lee; Stephen Cristol; Woon Cho Kim; Eui-Sang Chung; Hungwon Tchah; Man Soo Kim; Chung Mo Nam; Hyun-Soo Cho; Eung Kweon Kim
Prevalence of granular corneal dystrophy type 2 (Avellino corneal dystrophy) in the Korean population.
Ophthalmic epidemiology 2010;17(3):160-5.
2009: Jae-Hyung Kim; Taehyung Lim; Myoung Joon Kim; Hungwon Tchah
Changes of higher-order aberrations with the use of various mydriatics.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 2009;29(6):602-5.
2009: Chul Young Choi; Dong Ju Youm; Myoung Joon Kim; Hungwon Tchah
Changes in central corneal thickness of preserved corneas over time measured using anterior segment optical coherence tomography.
Cornea 2009;28(5):536-40.
2009: Sang Hoon Park; Chul Young Choi; Joon Mo Kim; Hae Ran Chang; Jae Yong Kim; Myoung Joon Kim; Hungwon Tchah; Jae Chan Kim
Comparison of actual vacuum pressures at the end of 3 phacoemulsification tips in swine eyes.
Journal of cataract and refractive surgery 2009;35(5):917-20.
2009: Dong Ju Youm; Hungwon Tchah; Chul Young Choi
Comparison of early postoperative clinical outcomes of photorefractive keratectomy and lamellar epithelial debridement.
Journal of cataract and refractive surgery 2009;35(4):703-9.
2008: Hye Young Park; Sang June Kim; Ha Bum Lee; Eun Soon Kim; Hungwon Tchah
Effect of intracameral bevacizumab injection on corneal endothelium in rabbits.
Cornea 2008;27(10):1151-5.
2008: Jooeun Lee; Myoung Joon Kim; Hungwon Tchah
Higher-order aberrations induced by nuclear cataract.
Journal of cataract and refractive surgery 2008;34(12):2104-9.
2008: Eun Jung Jun; Young Ran Nam; Jeonghyun Ahn; Hungwon Tchah; Chul Hyun Joo; Youngmee Jee; Yoo Kyum Kim; Heuiran Lee
Antiviral potency of a siRNA targeting a conserved region of coxsackievirus A24.
Biochemical and biophysical research communications 2008;376(2):389-94.
2008: Chul Young Choi; Jae Yong Kim; Myoung Joon Kim; Hungwon Tchah
Transmission electron microscopy study of corneal epithelial flaps following removal using mechanical scraping, alcohol, and epikeratome techniques.
Journal of refractive surgery (Thorofare, N.J. : 1995) 2008;24(7):667-70.
2008: Sang Woo Kim; Byung Jin Ha; Eung Kweon Kim; Hungwon Tchah; Tae-im Kim
The effect of topical bevacizumab on corneal neovascularization.
Ophthalmology 2008;115(6):e33-8.
2007: Jong-uk Hwang; Heejeong Choi; Dae Hong Jeong; Myoung Joon Kim; Hungwon Tchah
Noninvasive identification of different intraocular lenses using Raman spectroscopy in porcine eyes.
Journal of cataract and refractive surgery 2007;33(4):709-12.
2006: Jhang Ho Pak; Hyun-jeung Choi; Chul Young Choi; Hungwon Tchah
Expression of 1-cys peroxiredoxin in the corneal wound-healing process.
Cornea 2006;25(10 Suppl 1):S29-35.
2006: Taehyung Lim; Sungjae Yang; Myoungjoon Kim; Hungwon Tchah
Comparison of the IntraLase femtosecond laser and mechanical microkeratome for laser in situ keratomileusis.
American journal of ophthalmology 2006;141(5):833-9.
2006: Jhang Ho Pak; Tae-im Kim; Myoung Joon Kim; Jae Yong Kim; Hyun-jeung Choi; Seon Ah Kim; Hungwon Tchah
Reduced expression of 1-cys peroxiredoxin in oxidative stress-induced cataracts.
Experimental eye research 2006;82(5):899-906.
2006: Jae Yong Kim; Myoung Joon Kim; Tae-im Kim; Hyun-jeung Choi; Jhang Ho Pak; Hungwon Tchah
A femtosecond laser creates a stronger flap than a mechanical microkeratome.
Investigative ophthalmology & visual science 2006;47(2):599-604.
2006: Tae-im Kim; Jhang Ho Pak; Ju-byung Chae; Eung Kweon Kim; Hungwon Tchah
Mitomycin C inhibits recurrent Avellino dystrophy after phototherapeutic keratectomy.
Cornea 2006;25(2):220-3.
2006: Tae-im Kim; Sun Young Lee; Jhang Ho Pak; Hungwon Tchah; Michael S Kook
Mitomycin C, ceramide, and 5-fluorouracil inhibit corneal haze and apoptosis after PRK.
Cornea 2006;25(1):55-60.
2005: Hungwon Tchah; Myoung Joon Kim; Tae-im Kim; Hyun-jeung Choi; Jae Yong Kim; Mi Jung Kim; Jhang Ho Pak
Regulation of 1-cys peroxiredoxin expression in the process of stromal wound healing after photorefractive keratectomy.
Investigative ophthalmology & visual science 2005;46(7):2396-403.
2005: Tae-im Kim; Junetaek Yoon; Jaewan Choi; Hungwon Tchah
Flipped scleral flap surgery for reduction of ocular pigmentation in oculodermal melanosis.
Cornea 2005;24(4):482-5.
2005: Jaewan Choi; Tae-im Kim; Hungwon Tchah
Comparison of wavefront aberration after cataract surgery with acrylic intraocular lens implantation.
Journal of cataract and refractive surgery 2005;31(2):324-9.
2005: Tae-im Kim; Jhang Ho Pak; Hungwon Tchah; Seung-ah Lee; Michael S Kook
Ceramide-induced apoptosis in rabbit corneal fibroblasts.
Cornea 2005;24(1):72-9.
2004: Su Hyun Kim; Hunei Hong; Hee Jo Koo; Sung-jae Yang; Hungwon Tchah; Michael S Kook
Correlation between frequency doubling technology perimetry and scanning laser polarimetry in glaucoma suspects and glaucomatous eyes.
Korean journal of ophthalmology : KJO 2004;18(2):89-99.
2004: Tae-im Kim; Seung-jae Yang; Hungwon Tchah
Bilateral comparison of wavefront-guided versus conventional laser in situ keratomileusis with Bausch and Lomb Zyoptix.
Journal of refractive surgery (Thorofare, N.J. : 1995) 2004;20(5):432-8.
2004: Tae-im Kim; Jhang Ho Pak; Sun Young Lee; Hungwon Tchah
Mitomycin C-induced reduction of keratocytes and fibroblasts after photorefractive keratectomy.
Investigative ophthalmology & visual science 2004;45(9):2978-84.
2004: Michael S Kook; Sung Jae Yang; Suhyun Kim; Jiyong Chung; Soon-Tae Kim; Hungwon Tchah
Effect of cataract extraction on frequency doubling technology perimetry.
American journal of ophthalmology 2004;138(1):85-90.
2004: Roo Min Jun; Hungwon Tchah; Tae-im Kim; R Doyle Stulting; Seung Eun Jung; Kyoung Yul Seo; Dong Ho Lee; Eung Kweon Kim
Avellino corneal dystrophy after LASIK.
Ophthalmology 2004;111(3):463-8.
2004: Tae-im Kim; Hungwon Tchah; Eun Hee Cho; Michael S Kook
Evaluation for safety of cultured corneal fibroblasts with cotreatment of alcohol and mitomycin C.
Investigative ophthalmology & visual science 2004;45(1):86-92.
2003: Tae-im Kim; Hungwon Tchah; Seung-ah Lee; Kyungrim Sung; Beom-Jin Cho; Michael S Kook
Apoptosis in keratocytes caused by mitomycin C.
Investigative ophthalmology & visual science 2003;44(5):1912-7.
2002: Beom-Jin Cho; Geun-Jang Lee; Seung-Yeun Ha; Yiel-Hea Seo; Hungwon Tchah
Co-infection of the human cornea with Stenotrophomonas maltophilia and Aspergillus fumigatus.
Cornea 2002;21(6):628-31.
2002: Michael S Kook; Sang-Un Lee; Kyung-Rim Sung; Hungwon Tchah; Soon-Tae Kim; Kyung-Rhee Kim; Weechang Kang
Pattern of retinal nerve fiber layer damage in Korean eyes with normal-tension glaucoma and hemifield visual field defect.
Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv für klinische und experimentelle Ophthalmologie 2002;240(6):448-56.
2002: Michael S Kook; Sang- un Lee; Hungwon Tchah; Kyungrim Sung; Ryuhwa Park; Kyung- rhee Kim
Effect of laser in situ keratomileusis on retinal nerve fiber layer thickness measurements by scanning laser polarimetry.
Journal of cataract and refractive surgery 2002;28(4):670-5.
1999: Hungwon Tchah; B Lim
Effect of FK 506 on the cornea: use of topical FK 506 in corneal transplantation in a guinea pig-rat model.
Korean journal of ophthalmology : KJO 1999;13(2):71-7.
1997: Hungwon Tchah
The effect of growth factor on antigen and viability of corneal endothelial cells.
Korean journal of ophthalmology : KJO 1997;11(1):32-8.
1996: Hungwon Tchah; W J Choi
Near add power of the diffractive multifocal intraocular lens.
Journal of cataract and refractive surgery 1996;22(9):1232-5.
1994: Hungwon Tchah
Expression of major histocompatibility complex antigen in Lewis rat cornea.
Korean journal of ophthalmology : KJO 1994;8(2):66-71.
1994: Y J Kim; J Sohn; Hungwon Tchah; C O Lee
Photoastigmatic refractive keratectomy in 168 eyes: six-month results.
Journal of cataract and refractive surgery 1994;20(4):387-91.
1992: Hungwon Tchah
Heterologous corneal endothelial cell transplantation--human corneal endothelial cell transplantation in Lewis rats.
Journal of Korean medical science 1992;7(4):337-42.
1991: W J Choi; Hungwon Tchah; Y J Kim
Plasmacytoma presented as a lid mass--a case report.
Korean journal of ophthalmology : KJO 1991;5(2):92-5.
1991: Hungwon Tchah; D H Youn; E J Holland
Experimental orthotopic penetrating keratoplasty--a rat penetrating keratoplasty model.
Journal of Korean medical science 1991;6(1):15-9.
1990: Hungwon Tchah; R L Lindstrom
Lysis of vitreous strands with neodymium: YAG laser.
Korean journal of ophthalmology : KJO 1990;4(1):34-9.
1990: W J Choi; J W Kim; Hungwon Tchah; Y H Jin; Y J Kim
Non-contact tonometry: an ideal method for mass screening.
Korean journal of ophthalmology : KJO 1990;4(1):30-3.
1988: J S Lee; Hungwon Tchah; D H Youn
Apparent accommodation in monocular pseudophakic eyes and contact lens wearing monocular aphakic eyes.
Korean journal of ophthalmology : KJO 1988;2(1):1-4.