{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,13]],"date-time":"2026-08-13T19:29:04Z","timestamp":1786649344846,"version":"build-2736575974"},"reference-count":10,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"6","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,6]]},"abstract":"<jats:p>We describe a case of 63-year-old woman, with primary open-angle glaucoma (POAG) who presented to us in the COVID era with uncontrolled intraocular pressure (IOP) on maximum medical therapy (MMT) in the right eye (OD), previously operated twice for trabeculectomy in (OD), and once in left eye (OS). A modified graft-free surgical technique of inserting the Ahmed Glaucoma valve (AGV) tube through a scleral sleeve was employed. Visual acuity and IOP remained stable during 6-month follow-up period.<\/jats:p>","DOI":"10.4103\/ijo.ijo_3654_20","type":"journal-article","created":{"date-parts":[[2021,6,2]],"date-time":"2021-06-02T10:42:08Z","timestamp":1622630528000},"page":"1623-1625","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":4,"title":["A graft-free scleral sleeve technique of Ahmed Glaucoma Valve implantation in refractory glaucoma- Rising to the challenge of COVID-19 pandemic"],"prefix":"10.4103","volume":"69","author":[{"given":"Richa","family":"Gupta","sequence":"first","affiliation":[{"name":"C L Gupta Eye Institute, Ram Ganga Vihar Phase 2 (Ext.), Moradabad, Uttar Pradesh, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2021,5,21]]},"reference":[{"key":"R1-20251004","doi-asserted-by":"crossref","first-page":"1212","DOI":"10.1038\/s41433-020-0939-4","article-title":"Expression of SARS-CoV-2 receptor ACE2 and TMPRSS2 in human primary conjunctival and pterygium cell lines and in mouse cornea","volume":"34","author":"Ma","year":"2020","journal-title":"Eye (Lond)"},{"key":"R2-20251004","doi-asserted-by":"crossref","first-page":"1323","DOI":"10.1016\/S0161-6420(01)00598-X","article-title":"Late endophthalmitis associated with glaucoma drainage implants","volume":"108","author":"Gedde","year":"2001","journal-title":"Ophthalmology"},{"key":"R3-20251004","doi-asserted-by":"crossref","first-page":"2879","DOI":"10.2147\/OPTH.S260960","article-title":"Early impact of COVID-19 outbreak on the availability of cornea donors: Warnings and recommendations","volume":"14","author":"Toro","year":"2020","journal-title":"Clin Ophthalmol"},{"key":"R4-20251004","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1016\/j.jcjo.2016.06.007","article-title":"Graft-free Ahmed valve implantation through a 6 mm scleral tunnel","volume":"52","author":"Gdih","year":"2017","journal-title":"Can J Ophthalmol"},{"key":"R5-20251004","doi-asserted-by":"crossref","first-page":"234","DOI":"10.1016\/j.sjopt.2017.04.002","article-title":"A new surgical technique of intra-scleral tube fixation in Ahmed Glaucoma Valve implantation: 'Scleral Sleeve Method'","volume":"31","author":"Kalamkar","year":"2017","journal-title":"Saudi J Ophthalmol"},{"key":"R6-20251004","first-page":"17","article-title":"A retrospective review of autologous scleral flap versus donor scleral graft","volume":"33","author":"Rivera","year":"2008","journal-title":"Philipp J Ophthalmol"},{"key":"R7-20251004","doi-asserted-by":"crossref","first-page":"206","DOI":"10.1016\/j.ogla.2018.10.008","article-title":"Ahmed glaucoma valve implantation: Graft-free short tunnel small flap versus scleral patch graft after 1-year follow-up: A randomized clinical trial","volume":"1","author":"Pakravan","year":"2018","journal-title":"Ophthalmol Glaucoma"},{"key":"R8-20251004","first-page":"5617","article-title":"A scleral tunnel graft-free technique in Ahmed glaucoma valve (AGV) implantation","volume":"57","author":"Lim","year":"2016","journal-title":"Investig Ophthalmol Vis Sci"},{"key":"R9-20251004","doi-asserted-by":"crossref","first-page":"365","DOI":"10.4103\/0301-4738.67039","article-title":"Evaluation of Ahmed glaucoma valve implantation through a needle-generated scleral tunnel in Mexican children with glaucoma","volume":"58","author":"Albis-Donado","year":"2010","journal-title":"Indian J Ophthalmol"},{"key":"R10-20251004","doi-asserted-by":"crossref","first-page":"226","DOI":"10.1186\/s12886-018-0907-y","article-title":"A novel surgical technique for prevention of Ahmed glaucoma valve tube exposure: Long scleral flap augmented with Tenon advancement and duplication","volume":"18","author":"Totuk","year":"2018","journal-title":"BMC Ophthalmol"}],"container-title":["Indian Journal of Ophthalmology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/10.4103\/ijo.IJO_3654_20","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,13]],"date-time":"2026-08-13T18:52:48Z","timestamp":1786647168000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.4103\/ijo.IJO_3654_20"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,5,21]]},"references-count":10,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2021]]}},"URL":"https:\/\/doi.org\/10.4103\/ijo.ijo_3654_20","relation":{},"ISSN":["0301-4738","1998-3689"],"issn-type":[{"value":"0301-4738","type":"print"},{"value":"1998-3689","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,5,21]]},"assertion":[{"value":"2020-12-10","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2021-02-13","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}}]}}