An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Yoo A, Kwag JY, Song IS, Kim MJ, Jeong H, Kim JY, Tchah H.Yoo A, et al. Among authors: tchah h.Eur J Ophthalmol. 2016 Nov 4;26(6):607-611. doi: 10.5301/ejo.5000771. Epub 2016 Sep 7.Eur J Ophthalmol. 2016.PMID: 27646332
Song WK, Lee JA, Kim JY, Kim MJ, Tchah H.Song WK, et al. Among authors: tchah h.Korean J Ophthalmol. 2019 Feb;33(1):70-81. doi: 10.3341/kjo.2018.0085.Korean J Ophthalmol. 2019.PMID: 30746914Free PMC article.
Kim JY, Lee Y, Won HJ, Jeong H, Park JH, Kim MJ, Tchah H.Kim JY, et al. Among authors: tchah h.Int J Ophthalmol. 2020 May 18;13(5):737-743. doi: 10.18240/ijo.2020.05.07. eCollection 2020.Int J Ophthalmol. 2020.PMID: 32420220Free PMC article.
Lee JH, Chung HS, Moon SY, Park SY, Lee H, Kim JY, Tchah H.Lee JH, et al. Among authors: tchah h.J Ophthalmol. 2021 Aug 3;2021:8881794. doi: 10.1155/2021/8881794. eCollection 2021.J Ophthalmol. 2021.PMID: 34394981Free PMC article.
Han YE, Chung HS, Lee H, Kim JY, Tchah H.Han YE, et al. Among authors: tchah h.Korean J Ophthalmol. 2022 Apr;36(2):131-137. doi: 10.3341/kjo.2021.0161. Epub 2022 Jan 24.Korean J Ophthalmol. 2022.PMID: 35067025Free PMC article.