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相关概念视频

Focusing of Light in the Eye01:16

Focusing of Light in the Eye

2.5K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
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Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
391
Glaucoma: Overview01:25

Glaucoma: Overview

507
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
507

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Biomechanical performance of expanded polytetrafluorethylene sutures, flanged polyvinylidene fluoride and polypropylene in scleral IOL fixation.

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Personalized eye models for negative dysphotopsia assessment.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
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Swept-Source OCT Biometry-Derived Corneal Optical Quality: Repeatability Limits for IOL Design Selection in Refractive Cataract Surgery.

Journal of refractive surgery (Thorofare, N.J. : 1995)·2026
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Comparison of decentration, tilt, and dynamic stability between retropupillary iris claw and scleral fixated intraocular lenses with flanged haptics.

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相关实验视频

Updated: Jun 5, 2025

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
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Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

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关于眼内镜片配方的最新情况

Miguel Raimundo1, Oliver Findl2

  • 1Department of Ophthalmology, Unidade Local de Saúde de Coimbra, Coimbra, Portugal.

Current opinion in ophthalmology
|December 5, 2024
PubMed
概括
此摘要是机器生成的。

眼内透镜 (IOL) 功率计算的最新进展包括新的公式和AI. 这些创新改善了折射结果,即使是复杂的眼睛.

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Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation
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Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation

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Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses
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Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

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相关实验视频

Last Updated: Jun 5, 2025

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
11:49

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

Published on: March 8, 2019

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Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation
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Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation

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Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses
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Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

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科学领域:

  • 眼科医生 眼科 眼科
  • 生物医学工程 生物医学工程
  • 光学是什么?光学是什么?光学是什么?

背景情况:

  • 眼内透镜 (IOL) 功率计算对于在白内障手术后实现所需的折射结果至关重要.
  • 传统的公式有局限性,特别是在具有非典型生物特征的眼睛中.

研究的目的:

  • 审查最近在IOL功率计算公式的进步.
  • 讨论新的分类系统,比较分析和新兴趋势.

主要方法:

  • 现代IOL功率计算公式的审查.
  • 包括新的概念,如人工智能和光线跟踪.
  • 对修订后的分类系统的分析和比较研究.

主要成果:

  • 有许多现代的IOL功率计算公式,包括AI和光线跟踪.
  • 修订后的分类系统更好地反映了配方原则.
  • 对比研究证实了现代配方的优秀折射结果.
  • 新兴趋势,如分段总和轴长和后角膜数据,对具有挑战性的病例显示出有希望.

结论:

  • IOL功率计算领域正在迅速发展.
  • 新技术和分析方法正在改善配方设计.
  • 这些改进导致了出色的折射结果,即使在非典型的眼睛.