2013
DOI: 10.2147/opth.s42443
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New type of antidrying lens for vitreous surgery with a noncontact wide-angle viewing system

Abstract: Drying of the cornea during surgery, which causes poor visibility of the fundus, is one of the more serious problems when using a noncontact type wide-angle viewing system. We developed an antidrying corneal contact lens for use with this type of viewing system. The lens has a very thin meniscus made of polymethyl methacrylate with a large outer diameter. Following application of the viscoelastic material, the lens can be put on the cornea without using a contact lens fixation ring. The larger diameter and lig… Show more

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Cited by 7 publications
(10 citation statements)
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“…Drying of the cornea during surgery, which causes poor visibility of the fundus, is one of the most serious problems when using a noncontact type wide-angle viewing system. We have previously developed a new lens for observing the fundus with a noncontact wide-angle viewing system18,19 and reported that the smooth surface of this lens was able to achieve an intraoperative view of good quality without continuous hydration by an assistant, not only during vitrectomy but also during scleral buckle procedures 17. Thus, this lens is able to prevent damage of the corneal surface, especially in LASIK eyes.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Drying of the cornea during surgery, which causes poor visibility of the fundus, is one of the most serious problems when using a noncontact type wide-angle viewing system. We have previously developed a new lens for observing the fundus with a noncontact wide-angle viewing system18,19 and reported that the smooth surface of this lens was able to achieve an intraoperative view of good quality without continuous hydration by an assistant, not only during vitrectomy but also during scleral buckle procedures 17. Thus, this lens is able to prevent damage of the corneal surface, especially in LASIK eyes.…”
Section: Discussionmentioning
confidence: 99%
“…In this study, we assess the updated scleral buckle procedure that combines the use of chandelier endoillumination, a noncontact wide-angle viewing system, an anti-drying contact lens,18,19 and a recently developed 3D visualization system.…”
Section: Introductionmentioning
confidence: 99%
“…Access to the peripheral vitreous is provided, even in the presence of small pupils and corneal opacity, improving both surgical efficiency and safety. There are two main types of WAVs: contact lens and non-contact lens [5965]. …”
Section: Wide-angle Viewing Systemsmentioning
confidence: 99%
“…Chihara et al designed a prototype contact lens, with zero power, used in combination with a non-contact wide angle system and showed it not only prevented the cornea from becoming dry, but led to a smooth corneal surface, providing a good quality of view [59]. Some other studies assessed the simultaneous use of a magnifying contact lens and a non-contact WAVs: a wider field of view, along with no corneal dehydration and the potential ability to rapidly switch to a magnified macular view were observed [60, 61].…”
Section: Wide-angle Viewing Systemsmentioning
confidence: 99%
“…Furthermore, this lens is designed to have a refractive power of zero, which prevents any disadvantageous changes in the panoramic view. Theoretically, the use of this lens can provide a slightly wider field of intraoperative view 4. Thus, the characteristics of this lens appear to be advantageous, especially in surgeries for rhegmatogenous retinal detachment or proliferative vitreoretinopathy when using both vitrectomy and scleral buckling.…”
Section: Discussionmentioning
confidence: 99%