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Comparative Study
. 1992 Nov;18(6):547-53.
doi: 10.1016/s0886-3350(13)80440-3.

Comparison of shape recovery ratios in various intraocular lens haptics

W Kimura  1 , T Kimura, T Sawada, T Kikuchi, H Toda, Y Yamada, H Nagai
Affiliations
Comparative Study

Comparison of shape recovery ratios in various intraocular lens haptics

W Kimura et al. J Cataract Refract Surg. 1992 Nov.

Abstract

Since understanding the mechanical properties of intraocular lens (IOL) haptic materials can minimize decentration after surgery, we have examined shape recovery ratios of various intraocular lens haptics (polypropylene [PP], polyvinylidene fluoride [PVDF], extruded poly(methyl methacrylate) [PMMA]) currently on the market under conditions that approximate clinical use. The results using various Ascon lens-holding forceps and compression tests, during which the lenses were held in a cylindrical holder for seven days, one month, and three months, indicated that PVDF haptics had better shape recovery capability than PP and extruded three-piece PMMA haptics.

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