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Responsive Hydrogels Based Lens Structure with Configurable Focal Length for Intraocular Lens (IOLs) Application\ud Authors

机译:具有可配置焦距的基于响应水凝胶的透镜结构,可用于人工晶状体(IOL)应用\ ud s

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摘要

Stimuli-responsive hydrogel has attracted wide interests in bio-applications, especially in bio-optical systems that need tuning and adjustment of their optical performances. In this paper, we have investigated the materials and structural designs for the potential intraocular Lens (IOLs) design by studying swelling induced morphology changes and subsequently optical properties of ionic responsive Poly (Acrylamide-co-sodium acrylate) hydrogel. The equilibrium swelling ratio and swelling kinetics of gel were measured under both free standing and confined conditions. The Poly (Acrylamide-co-sodium acrylate) hydrogel has shown reversible swelling response to the ion concentration. Autonomous focusing of the gel lens was demonstrated under the certain ionic stimulus. Initial optical results have been presented with designable stimuli-responsive focal length shifting under structural confinement.
机译:刺激响应水凝胶在生物应用中引起了广泛的兴趣,特别是在需要调整和调整其光学性能的生物光学系统中。在本文中,我们通过研究溶胀引起的形态变化以及随后的离子响应性聚(丙烯酰胺-丙烯酸钠)水凝胶的光学性质,研究了潜在的人工晶状体(IOL)设计的材料和结构设计。在静置和密闭条件下均测量了凝胶的平衡溶胀率和溶胀动力学。聚(丙烯酰胺-丙烯酸钠共聚物)水凝胶显示出对离子浓度的可逆溶胀反应。在一定的离子刺激下证明了凝胶透镜的自动聚焦。初步的光学结果已经提出了在结构限制下可设计的刺激响应焦距偏移。

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