%A Au, Sunny %A Ko, Simon %T Ophthalmological signet ring sign by a glaucoma implant %9 Ophthalmic Image %D 2019 %J Indian Journal of Ophthalmology %R 10.4103/ijo.IJO_470_19 %P 1477-1477 %V 67 %N 9 %U https://journals.lww.com/ijo/pages/default.aspx/article.asp?issn=0301-4738;year=2019;volume=67;issue=9;spage=1477;epage=1477;aulast=Au %8 September 1, 2019 %X %0 Journal Article %I Wolters Kluwer Medknow Publications %@ 0301-4738