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Trypan-Blue- and Endoillumination-Assisted Phacoemulsification in Eyes with Vitreous Hemorrhage during Combined Cataract and Vitreous Surgery

Trypan-Blue- and Endoillumination-Assisted Phacoemulsification in Eyes with Vitreous Hemorrhage... Purpose: To study the safety and usefulness of trypan blue application and conventional endoillumination for enhancing visualization during phacoemulsification and foldable intraocular lens implantation in cases of cataract with vitreous hemorrhage. Methods: Ten eyes of 10 patients with cataract and coexisting vitreous hemorrhage underwent combined trypan-blue- and endoillumination-assisted phacoemulsification and foldable intraocular lens implantation with vitrectomy. In a two-step surgery, after staining the anterior capsule with trypan blue, continuous circular capsulorhexis was performed; then, phacoemulsification was performed using conventional endoillumination. Specular microscopy was performed before and 3 months after surgery on eyes that underwent trypan-blue- and endoillumination-assisted phacoemulsification and on control eyes that underwent standard phacoemulsification to evaluate the toxic effect of trypan blue on corneal endothelial cells. Results: Trypan blue application improved visualization of the anterior capsule, and a complete capsulorhexis could be performed in all eyes. In all 10 eyes, endoillumination was required to visualize the lens structure, and phacoemulsification could be accomplished. Specular microscopy revealed that there was no significant difference in the level of corneal endothelial cell loss between the trypan-blue- and endoillumination-assisted phacoemulsification group and the control group. Conclusion: The described double visualization technique may assist phacoemulsification in selected cases of cataract with vitreous hemorrhage. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ophthalmologica Karger

Trypan-Blue- and Endoillumination-Assisted Phacoemulsification in Eyes with Vitreous Hemorrhage during Combined Cataract and Vitreous Surgery

Yamamoto, Narumichi; Ozaki, Noriko; Murakami, Kimio
Ophthalmologica , Volume 219 (6): 7 – Nov 1, 2005
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References (25)

Publisher
Karger
Copyright
© 2005 S. Karger AG, Basel
ISSN
0030-3755
eISSN
1423-0267
DOI
10.1159/000088375
Publisher site
See Article on Publisher Site

Abstract

Purpose: To study the safety and usefulness of trypan blue application and conventional endoillumination for enhancing visualization during phacoemulsification and foldable intraocular lens implantation in cases of cataract with vitreous hemorrhage. Methods: Ten eyes of 10 patients with cataract and coexisting vitreous hemorrhage underwent combined trypan-blue- and endoillumination-assisted phacoemulsification and foldable intraocular lens implantation with vitrectomy. In a two-step surgery, after staining the anterior capsule with trypan blue, continuous circular capsulorhexis was performed; then, phacoemulsification was performed using conventional endoillumination. Specular microscopy was performed before and 3 months after surgery on eyes that underwent trypan-blue- and endoillumination-assisted phacoemulsification and on control eyes that underwent standard phacoemulsification to evaluate the toxic effect of trypan blue on corneal endothelial cells. Results: Trypan blue application improved visualization of the anterior capsule, and a complete capsulorhexis could be performed in all eyes. In all 10 eyes, endoillumination was required to visualize the lens structure, and phacoemulsification could be accomplished. Specular microscopy revealed that there was no significant difference in the level of corneal endothelial cell loss between the trypan-blue- and endoillumination-assisted phacoemulsification group and the control group. Conclusion: The described double visualization technique may assist phacoemulsification in selected cases of cataract with vitreous hemorrhage.

Journal

Ophthalmologica – Karger

Published: Nov 1, 2005

Keywords: Endoillumination; Continuous circular capsulorhexis; Phacoemulsification; Trypan blue; Vitreous hemorrhage

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