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  1. Eye Lens (Crystalline Lens): What It Is, Anatomy & Function

    Aug 13, 2024 · Eye Lens (Crystalline Lens) Your eye lens is the last membrane that light passes through before reaching your retina. It’s your eye’s chance to fine-tune your focus. Made up of …

  2. Lens (vertebrate anatomy) - Wikipedia

    The lens, or crystalline lens, is a transparent biconvex structure in most land vertebrate eyes. Relatively long, thin fiber cells make up the majority of the lens. These cells vary in …

  3. Lens | Cornea, Retina & Optic Nerve | Britannica

    Lens, in anatomy, a nearly transparent biconvex structure suspended behind the iris of the eye, the sole function of which is to focus light rays onto the retina.

  4. The Eye Lens' Function and Structure - Verywell Health

    Oct 21, 2025 · The lens is a curved structure in the eye that sits behind the iris. The lens' function is to bend and focus light to help you see images clearly. Because it's flexible and changes …

  5. Lens of the eye - All About Vision

    Feb 23, 2021 · What is the lens of the eye? The lens of the eye, also called the crystalline lens, is an important part of the eye’s anatomy that allows the eye to focus on objects at varying …

  6. How the Eyes Work - National Eye Institute

    Apr 20, 2022 · The lens works together with the cornea to focus light correctly on the retina. When light hits the retina (a light-sensitive layer of tissue at the back of the eye), special cells called …

  7. What Is the Purpose of the Lens in the Eye? - Biology Insights

    Jan 7, 2026 · The eye’s lens is a transparent, biconvex structure situated directly behind the iris and pupil. It is composed primarily of specialized proteins called crystallins, which account for …

  8. Eye Lens or Crystalline Lens: Function and Problems

    Jan 6, 2026 · The eye's crystalline lens helps focus light onto the retina to see clearly. As lenses age, they lose flexibility, leading to presbyopia, which hampers near vision. Cataracts, or …

  9. Prescription Glasses, Sunglasses & Contacts | LensCrafters

    Explore a wide selection of prescription glasses, sunglasses, and contact lenses at LensCrafters. Visit our site to find exclusive offers and schedule an eye exam at a location near you.

  10. Lens: anatomy, structure and function. | Kenhub

    Oct 30, 2023 · The main function of the lens is to transmit and focus the light onto the retina in order to create clear images of observed objects at various distances. The lens is also the …