{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T16:46:28Z","timestamp":1787071588149,"version":"build-2736575974"},"reference-count":5,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"11","license":[{"start":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T00:00:00Z","timestamp":1761696000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:p>Three-port pars plana vitrectomy (PPV) requires thorough visualization of the peripheral vitreous base, typically achieved using scleral depression. Traditional methods, involving either a trained assistant or chandelier illumination, are limited by cost, assistant dependency, and inconsistent visualization. In this article, we describe a \u201cdo it yourself\u201d(DIY) cost-effective, improvised illuminated scleral depressor\u2014\u201cThe Lumi-Indent\u201d\u2014created by inserting a 25-gauge endoilluminator into the cap of a disposable hypodermic needle and securing it with sterile tape. The device was used in 50 consecutive vitreoretinal surgeries with 360\u00b0 vitreous base shaving. No intraoperative complications were noted. We also review existing techniques, including Veckeneer\u2019s Tyndall effect-enhanced transillumination with triamcinolone and PFCL; Bamonte\u2019s simplified method using a venflon cannula sleeve; Mandelcorn\u2019s light pipe and finger-mounted ring depressor; Todorich\u2019s digital heads-up system with a molded adapter tip; and Tan\u2019s cotton swab-modified depressor. While each approach improves surgeon independence and peripheral visualization, many require either costly equipment or present structural limitations. Our Lumi-Indent depressor offered consistent illumination, scleral rigidity, and smooth conjunctival navigation, without the risk of bending or damaging the light pipe. Its negligible cost and simplicity make it an ideal solution for high-volume or resource-limited settings. In conclusion, the Lumi-Indent is a safe, frugal, and efficient tool for assistant-free vitreous base shaving, expanding the accessibility of advanced surgical techniques.<\/jats:p>","DOI":"10.4103\/ijo.ijo_1245_25","type":"journal-article","created":{"date-parts":[[2025,10,28]],"date-time":"2025-10-28T16:04:16Z","timestamp":1761667456000},"page":"1687-1690","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["The Lumi-Indent: A novel illuminated scleral depressor and a comprehensive review of existing illuminated scleral depression techniques"],"prefix":"10.4103","volume":"73","author":[{"given":"Prithvi","family":"Chandrakanth","sequence":"first","affiliation":[{"name":"Consultant Vitreoretinal Surgeon, Vitreoretinal Services, Dr. Chandrakanth Nethralaya, Kozikode, Kerala, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shishir","family":"Verghese","sequence":"additional","affiliation":[{"name":"Consultant vitreoretinal Surgeon, Vitreoretinal Services, Amita Eye Care, Thiruvalla, Kerala, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K","family":"Chandrakanth","sequence":"additional","affiliation":[{"name":"Consultant cataract and refractive surgeon, Cataract and Refractive services, Dr. Chandrakanth Nethralaya, Kozikode, Kerala, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2025,10,29]]},"reference":[{"key":"R1-20260419","doi-asserted-by":"crossref","first-page":"268","DOI":"10.1136\/bjo.2008.147306","article-title":"Visualising vitreous through modified trans-scleral illumination by maximising the Tyndall effect","volume":"93","author":"Veckeneer","year":"2009","journal-title":"Br J Ophthalmol"},{"key":"R2-20260419","first-page":"281","article-title":"Vitreous base visualisation through trans-scleral illumination with a standard 25-gauge light probe","volume":"98","author":"Bamonte","year":"2014","journal-title":"Br J Ophthalmol"},{"key":"R3-20260419","doi-asserted-by":"crossref","first-page":"577","DOI":"10.3928\/23258160-20150521-10","article-title":"Unassisted scleral depression during vitrectomy surgery: Two simple, cost-effective techniques","volume":"46","author":"Mandelcorn","year":"2015","journal-title":"Ophthalmic Surg Lasers Imaging Retina"},{"key":"R4-20260419","doi-asserted-by":"crossref","first-page":"436","DOI":"10.3928\/23258160-20180601-08","article-title":"Scleral transillumination with digital heads-up display: A novel technique for visualization during vitrectomy surgery","volume":"49","author":"Todorich","year":"2018","journal-title":"Ophthalmic Surg Lasers Imaging Retina"},{"key":"R5-20260419","doi-asserted-by":"crossref","first-page":"1577","DOI":"10.1097\/IAE.0000000000003179","article-title":"Modified illuminated scleral depressor: A cost-efficient instrument for unassisted vitreous base shaving","volume":"41","author":"Tan","year":"2021","journal-title":"Retina"}],"container-title":["Indian Journal of Ophthalmology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/10.4103\/IJO.IJO_1245_25","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T15:48:59Z","timestamp":1787068139000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.4103\/IJO.IJO_1245_25"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,10,29]]},"references-count":5,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2025]]}},"URL":"https:\/\/doi.org\/10.4103\/ijo.ijo_1245_25","relation":{},"ISSN":["0301-4738","1998-3689"],"issn-type":[{"value":"0301-4738","type":"print"},{"value":"1998-3689","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,10,29]]},"assertion":[{"value":"2025-05-19","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2025-08-29","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}}]}}