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Laser Suture Lysis Through Thick Blebs Using the Blumenthal Lens
Albert S. Khouri, MD;
Tatiana I. Forofonova, MD, PhD;
Robert D. Fechtner, MD
Arch Ophthalmol. 2006;124:544.
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INTRODUCTION
Laser suture lysis is commonly performed after trabeculectomy and is titrated to control postoperative flow through the filter to a target intraocular pressure.1 Originally, the flat edge of a Zeiss 4-mirror lens was used to compress the conjunctiva and Tenon capsule to view the sutures. The Hoskins lens designed for suture lysis improved the view and allowed eyelid elevation for better exposure. The Ritch suture lysis lens was designed to provide good compression and a reasonably wide field of view that helps in locating sutures.2 Recently, the Blumenthal lens was introduced for suture lysis.
The Blumenthal lens (Volk Optical Inc, Mentor, Ohio) has a smaller, rounded-tip design that allows localized compression of tissues (Figure 1). We found that advantageous in improving suture visualization through thickened conjunctiva and Tenon layers. The Blumenthal lens was particularly useful . . . [Full Text of this Article]
AUTHOR INFORMATION
Author Affiliations: Institute of Ophthalmology and Visual Science, University of Medicine and Dentistry of New Jersey/New Jersey Medical School, Newark.
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