Please use this identifier to cite or link to this item: https://doi.org/10.1136/bjo.2006.113357
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dc.titleUse of a "small-bubble technique" to increase the success of Anwar's "big-bubble technique" for deep lamellar keratoplasty with complete baring of Descemet's membrane
dc.contributor.authorParthasarathy, A.
dc.contributor.authorYong, M.P.
dc.contributor.authorTan, D.T.H.
dc.date.accessioned2016-11-17T08:38:55Z
dc.date.available2016-11-17T08:38:55Z
dc.date.issued2007-10
dc.identifier.citationParthasarathy, A., Yong, M.P., Tan, D.T.H. (2007-10). Use of a "small-bubble technique" to increase the success of Anwar's "big-bubble technique" for deep lamellar keratoplasty with complete baring of Descemet's membrane. British Journal of Ophthalmology 91 (10) : 1369-1373. ScholarBank@NUS Repository. https://doi.org/10.1136/bjo.2006.113357
dc.identifier.issn00071161
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/130586
dc.description.abstractPurpose: To describe a quick and simple "small-bubble" technique to immediately determine the success of attaining complete Descemet's membrane (DM) separation from corneal stroma through Anwar's "big-bubble" technique of deep anterior lamellar keratoplasty (DALK) for complete stromal removal. Methods: A partial trephination was followed by a lamellar dissection of the anterior stroma. Deep stromal air injection was then attempted to achieve the big bubble to help separate the stroma from the DM. To confirm that a big bubble had been achieved, a small air bubble was injected into the anterior chamber (AC) through a limbal paracentesis. If the small bubble is then seen at the corneal periphery, it confirms that the big-bubble separation of DM was successful because the convex nature of the bubble will cause it to protrude posteriorly, forcing the small AC bubble to the periphery. If the small AC bubble is not seen in the corneal periphery, this means that it is present in the centre, beneath the opaque corneal stroma, and therefore the big bubble has not been achieved. Results: We used the small-bubble technique to confirm the presence of the big bubble in three (one keratoconus, one interstitial keratitis and one dense corneal scar) out of 41 patients who underwent DALK. The small-bubble technique confirmed that the big bubble was achieved in the eye of all three patients. Complete stromal removal with baring of the DM was achieved, and postoperatively all three eyes achieved best corrected vision of 6/6. Conclusion: The small-bubble technique can be a useful surgical tool for corneal surgeons attempting lamellar keratoplasty using the big-bubble technique. It helps in confirming the separation of DM from the deep stroma, which is important in achieving total stromal replacement. It will help to make the transition to lamellar keratoplasty smoother, enhance corneal graft success and improve visual outcomes in patients.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1136/bjo.2006.113357
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentOPHTHALMOLOGY
dc.description.doi10.1136/bjo.2006.113357
dc.description.sourcetitleBritish Journal of Ophthalmology
dc.description.volume91
dc.description.issue10
dc.description.page1369-1373
dc.description.codenBJOPA
dc.identifier.isiut000249707900033
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