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Related Concept Videos

Focusing of Light in the Eye01:16

Focusing of Light in the Eye

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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Related Experiment Video

Updated: Jun 16, 2026

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

Kinoform lenses.

J A Jordan, P M Hirsch, L B Lesem

    Applied Optics
    |January 23, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Researchers developed a new method to create thin, lightweight kinoform lenses. This technique uses photographic plotting and etching to precisely shape the lens for optimal focusing capabilities.

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    Whole Mount Imaging to Visualize and Quantify Peripheral Lens Structure, Cell Morphology, and Organization
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    Related Experiment Videos

    Last Updated: Jun 16, 2026

    Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
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    Published on: March 8, 2019

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    Whole Mount Imaging to Visualize and Quantify Peripheral Lens Structure, Cell Morphology, and Organization
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    Whole Mount Imaging to Visualize and Quantify Peripheral Lens Structure, Cell Morphology, and Organization

    Published on: January 19, 2024

    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Traditional lens fabrication can be complex and costly.
    • There is a need for lightweight and high-performance optical elements.

    Purpose of the Study:

    • To present a novel technique for fabricating kinoform lenses.
    • To demonstrate the effectiveness of kinoform lenses in optical applications.

    Main Methods:

    • Calculating the phase shift needed for focusing plane waves.
    • Photographically plotting phase with exposure.
    • Photoreducing and etching the plot to create the kinoform structure.

    Main Results:

    • Successful fabrication of kinoform lenses.
    • Demonstration of accurate focusing capabilities.
    • Inclusion of photographic examples of kinoform lens performance.

    Conclusions:

    • The described technique provides an accurate method for producing thin, lightweight kinoform lenses.
    • Kinoform lenses fabricated using this method show promising optical performance.