Nylon in the Anterior Chamber

Kronenthal, Richard L.

doi:10.1016/s0161-6420(81)80013-9

Cited by 9 publications

(1 citation statement)

References 16 publications

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“…For example, nylon may be labile to hydrolysis and therefore may become fragile or even dissolve over time, particularly when used behind the iris. 12,13 A few studies reported on the longterm usage of nylon in the eye: for instance, although Mehta did not observe any nylon loop degradation in 418 intracapsular cataract extractions, biodegradation was found in 14 of 34 second-stage iris clips or iridocapsular implants in children and young adults. There were no side effects of biodegradation except 2 cases of glaucoma, and in 1 of these 2 cases, birefringent particles were found in the trabecular tissue.…”

Section: Discussionmentioning

confidence: 99%

Attaining the optimal flange technique for transscleral capsular bag stabilization using iris hooks

Schlatter,

Kronschläger,

Ruiss

et al. 2024

J Cataract Refract Surg

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Purpose: Flanged iris hooks have been used off-label for capsular bag stabilization and IOL centration in complicated cases of cataract surgery in previous reports. However, there is no data on the optimal flange technique of iris hooks made from different materials. Therefore, this laboratory study was conducted to investigate the flange properties of different iris hooks. Setting: [masked] Design: Laboratory Study Methods: The flanging properties of four different iris hooks made from polypropylene (PP), elastic polymer and nylon were investigated with different heating distances and both with and without forceps gripping. The maximum diameter of the flanges was measured, and the shape of the flanges was evaluated. Results: While both nylon and elastic polymer iris hooks had too small flange diameters for intrascleral fixation, PP iris hooks had a sufficient flange diameter (>330µm) and mushroom-like shape. Furthermore, in PP hooks heating distance was directly proportional to flange diameter. Conclusion: The findings of this study suggest that only PP iris hooks are suitable for flanged intrascleral fixation, which is off-label, to secure adequate fixation.

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Section: Discussionmentioning

confidence: 99%