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.
Theng JT, Ti SE, Zhou L, Lam KW, Chee SP, Tan D.Theng JT, et al. Among authors: tan d.Invest Ophthalmol Vis Sci. 2003 Nov;44(11):4895-9. doi: 10.1167/iovs.02-1112.Invest Ophthalmol Vis Sci. 2003.PMID: 14578414
Chee SP, Ti SE, Sivakumar M, Tan DT.Chee SP, et al. Among authors: tan dt.J Cataract Refract Surg. 1999 Sep;25(9):1280-5. doi: 10.1016/s0886-3350(99)00161-3.J Cataract Refract Surg. 1999.PMID: 10476515Clinical Trial.
Ti SE, Chee SP, Dear KB, Tan DT.Ti SE, et al. Among authors: tan dt.Br J Ophthalmol. 2000 Apr;84(4):385-9. doi: 10.1136/bjo.84.4.385.Br J Ophthalmol. 2000.PMID: 10729295Free PMC article.