Dataset Information

Forceps-assisted, 10-0 monofilament nylon, suture-guided capsular tension ring insertion in subluxated cataracts.

ABSTRACT: Capsular tension ring (CTR) and iris hooks have proved to be useful devices in cataract surgery in cases of zonular weakness and dialysis. We would like to describe the use of monofilament 10-0 nylon (MFN)- guided CTR insertion in a subluxated cataractous lens. Here, the MFN is passed through the distal trailing eyelet of the CTR (simple or Morcher's depending on the size of the defect and subluxation) for controlled insertion of the distal eyelet of the CTR beneath the anterior capsulorhexis margin and safe retrieval of CTR in case of an iatrogenic posterior capsular tear during CTR insertion or phacoemulsification.

SUBMITTER: Sethi HS

PROVIDER: S-EPMC7442106 | biostudies-literature | 2020 Apr-Jun

REPOSITORIES: biostudies-literature

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Publications

Forceps-assisted, 10-0 monofilament nylon, suture-guided capsular tension ring insertion in subluxated cataracts.

Sethi Harinder Singh HS Naik Mayuresh M

Taiwan journal of ophthalmology 20190722 2

Capsular tension ring (CTR) and iris hooks have proved to be useful devices in cataract surgery in cases of zonular weakness and dialysis. We would like to describe the use of monofilament 10-0 nylon (MFN)- guided CTR insertion in a subluxated cataractous lens. Here, the MFN is passed through the distal trailing eyelet of the CTR (simple or Morcher's depending on the size of the defect and subluxation) for controlled insertion of the distal eyelet of the CTR beneath the anterior capsulorhexis ma ...[more]

PMID: 32874842

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Project description:The Greenland shark (Somniosus microcephalus) is the main bycatch species in established and exploratory inshore longline fisheries for Greenland halibut (Reinhardtius hippoglossoides) on the east coast of Baffin Island, Canada. Bycatch and entanglement in longline gear has at times been substantial and post-release survival is questionable when Greenland sharks are released with trailing fishing gear. This study investigated the effect of the type of fishing line used in the gangion and gangion breaking strength on catch rates of Greenland shark and Greenland halibut in bottom set longlines. Circle (size 14/0, 0° offset) hooks were used throughout the study. Behavior of captured sharks, mode of capture (i.e., jaw hook and/or entanglement), level of entanglement in longline gear, time required to disentangle sharks and biological information (sex, body length and health status) were recorded. Catch rates of Greenland shark were independent of monofilament nylon gangion breaking strength and monofilament gangions captured significantly fewer Greenland sharks than the traditional braided multifilament nylon gangion. Catch rates and body size of Greenland halibut did not differ significantly between gangion treatments. Although most (84%) of the Greenland sharks were hooked by the jaw, a high percentage (76%) were entangled in the mainline. The mean length of mainline entangled around the body and/or caudal peduncle and caudal fin was 28.7 m. Greenland sharks exhibited cannibalistic behavior with 15% of captured sharks cannibalized. All remaining sharks were alive and survived the disentanglement process which can be attributed to their lethargic behavior and lack of resistance when hauled to the surface. Thus, as a conservation measure fishers should be encouraged to remove trailing fishing gear prior to release. Our results are used to demonstrate benefits to the fishing industry with regard to an overall reduction in the period of time to disentangle sharks and damage to fishing gear by switching from braided multifilament to monofilament gangions in Greenland halibut longline fisheries.

Dataset Information

Forceps-assisted, 10-0 monofilament nylon, suture-guided capsular tension ring insertion in subluxated cataracts.

Publications

Forceps-assisted, 10-0 monofilament nylon, suture-guided capsular tension ring insertion in subluxated cataracts.

Similar Datasets

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