In this study, we examined a novel variant of ‘big‐bubble’ deep anterior lamellar keratoplasty using trypan‐blue‐stained viscoelastic device for the creation of a pre‐descemetic bubble. Ten corneoscleral rims were mounted on an artificial ...
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https://www.riss.kr/link?id=O120651600
2018년
-
1442-6404
1442-9071
SCI;SCIE;SCOPUS
학술저널
275-279 [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
In this study, we examined a novel variant of ‘big‐bubble’ deep anterior lamellar keratoplasty using trypan‐blue‐stained viscoelastic device for the creation of a pre‐descemetic bubble. Ten corneoscleral rims were mounted on an artificial ...
In this study, we examined a novel variant of ‘big‐bubble’ deep anterior lamellar keratoplasty using trypan‐blue‐stained viscoelastic device for the creation of a pre‐descemetic bubble.
Ten corneoscleral rims were mounted on an artificial anterior chamber (AC). The AC was filled with air through a limbal paracentesis. A Melles' triangulated spatula was inserted through the paracentesis, with its tip penetrating the AC, was then slightly retracted and pushed into the deep stroma above the roof of the paracentesis. A mixture of trypan blue and viscoelastic device (Healon, Abbott Medical Optics, Abbott Park, Illinois) was injected into this intra‐stromal pocket using a 27‐G cannula to create a pre‐descemetic separation bubble. Bubble type and visualization of dyed viscoelastic device were noted. The method was later employed in three cases.
In all 10 corneoscleral rims, the technique successfully created a visible pre‐descemetic (type 1) bubble that could be expanded up to the predicted diameter of trephination. Subsequent trephination and the removal of corneal stroma were uneventful. In two out of four clinical cases, a type 1 bubble was created, while in two others, visco‐dissection failed and dyed viscoelastic was seen in the AC.
The presented technique holds promise of being a relatively easy to perform, predictable and well‐controlled alternative for achieving a type 1 bubble during deep anterior lamellar keratoplasty surgery. The trypan‐blue‐stained viscoelastic device facilitates proper visualization and control of the separation bubble and assists in identifying the penetrance to the separation bubble prior to removal of the stromal cap.
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