Lens: anatomy, structure and function. - Kenhub
WEBOct 30, 2023 · The lens is an ellipsoid structure located in the eyeball. It lies posterior to the iris and anterior to the vitreous body. Moreover, the lens is encircled by the ciliary processes, and is attached to them by the zonular fibres. The lens is comprised of three main parts: capsule, epithelium and fibers.
The Lens: Function and Conditions That Affect It - Verywell Health
WEBMay 11, 2024 · Anatomy of the Lens. The lens is a clear, curved disk that sits behind the iris and in front of the vitreous of the eye. It is the part of the eye that focuses light and images from the outer world, bending them onto the retina.
Lens (vertebrate anatomy) - Wikipedia
WEBThe 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 architecture and are arranged in concentric layers.
Lens of the Eye - All About Vision
WEBFeb 24, 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 distances. It is located behind the iris and in front of the vitreous body.
Lens - Structure, Anatomy, Diagram, Function, Significance
WEBSep 30, 2024 · The lens is a transparent, biconvex structure in the eye that helps focus light onto the retina. It is composed of proteins called crystallins and is enclosed in a thin, elastic capsule. The lens has no blood vessels, relying on the surrounding aqueous and vitreous humor for nourishment.
Eye Lens (Crystalline Lens): What It Is, Anatomy & Function
WEBAug 13, 2024 · The lens is a clear, curved structure that’s embedded deep within your eye (or camera). It absorbs light and bends it to converge at a single point behind it. This focuses the light for the sensors at the back — whether that’s camera film, digital sensors or, in your eye, the retina.
Lens Anatomy, Definition & Function | Body Maps - Healthline
WEBJan 21, 2018 · The lens is about 10 mm across and 4 mm from front to back in adults, although its shape and size varies as it changes its focus. The lens consists of the lens capsule, the lens epithelium,...
Lens - American Academy of Ophthalmology
WEBMar 28, 2016 · Read an overview of general eye anatomy to learn how the parts of the eye work together. A clear part of the eye behind the colored iris. It helps to focus light on the retina so you can see.
Eye Anatomy: Parts of the Eye and How We See
WEBApr 29, 2023 · The lens focuses light toward the back of the eye. The lens changes shape to help the eye focus on objects up close. Small fibers called zonules are attached to the capsule holding the lens, suspending it from the eye wall.
Eyeball: Structure and function - Kenhub
WEBNov 3, 2023 · The lens is a circular biconvex structure found anterior to the vitreous body and posterior to the iris. The outer margin of the lens (equator) divides the lens into anterior and posterior surfaces. The central points of these surfaces are called the poles and they are connected by an imaginary line called the axis of the lens.