Retina of the Eye: What It Is, Function & Anatomy - Cleveland Clinic
What is the retina of the eye? The retina is a layer of cells at the back of your eyeball that converts light into nerve signals. It then sends those signals along your optic nerve to your brain.
Anatomy, Head and Neck: Eye Retina - StatPearls - NCBI Bookshelf
2023年8月8日 · The retina is a layer of photoreceptors cells and glial cells within the eye that captures incoming photons and transmits them along neuronal pathways as both electrical and chemical signals for the brain to perceive a visual picture.
Neuroanatomy, Retina - StatPearls - NCBI Bookshelf
2023年8月8日 · Structure and Function. The retina lines the entire posterior portion of the eye, except for the area of the optic nerve and extends anteriorly to end 360 degrees circumferentially at the ora Serrata, the junction between the retina and the ciliary body.
Retina - Wikipedia
The retina (from Latin rete 'net'; pl.retinae or retinas) is the innermost, light-sensitive layer of tissue of the eye of most vertebrates and some molluscs.
Retina Anatomy: Function and Associated Conditions - Verywell Health
2024年10月29日 · The retina is a thin layer of tissue that lines the very back of the inside of the eyeball. The retina contains millions of cells that perceive light, color, and fine details in the things you see. A number of diseases can affect the retina, including cancer. If any part of the retina becomes damaged, your vision may be compromised.
Retina: Anatomy, Functions, and Conditions - Vision Center
2024年10月9日 · The retina is responsible for converting light entering your eye into visible images. It’s often compared to film in a camera. Even though vision is commonly associated with the eyes, the brain turns visual information into recognizable images.
Simple Anatomy of the Retina - Webvision - NCBI Bookshelf
2005年5月1日 · When an ophthalmologist uses an ophthalmoscope to look into your eye he sees the following view of the retina (Fig. 1). Figure 1. A view of the retina seen through an ophthalmoscope. In the center of the retina is the optic nerve, a circular to oval white area measuring about 2 x 1.5 mm across.
Human eye - Retina, Optic Nerve, Vision | Britannica
2024年12月16日 · The retina is the part of the eye that receives the light and converts it into chemical energy. The chemical energy activates nerves that conduct the messages out of the eye into the higher regions of the brain. The retina is a complex nervous structure, being, in essence, an outgrowth of the forebrain.
Retina | Definition, Function, & Facts | Britannica
2024年12月2日 · retina, layer of nervous tissue that covers the inside of the back two-thirds of the eyeball, in which stimulation by light occurs, initiating the sensation of vision. The retina is actually an extension of the brain, formed embryonically from neural tissue and connected to the brain proper by the optic nerve.
Retina: Function, Location, Health Problems, and More - WebMD
2024年9月20日 · The retina is the layer of cells positioned at the back of your eyeball. This layer senses the light that comes into your eyeball and sends signals to your brain. The key retina parts include...