retina Definition
the layer at the back of the eyeball that contains cells sensitive to light, which trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.
Using retina: Examples
Take a moment to familiarize yourself with how "retina" can be used in various situations through the following examples!
Example
The retina sends images to the brain.
Example
The retina is responsible for detecting light and color.
Example
The retina can be damaged by excessive exposure to sunlight.
Summary: retina in Brief
The 'retina' [ˈrɛtɪnə] is a layer at the back of the eyeball that contains cells sensitive to light. These cells trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed. The retina is responsible for detecting light and color and can be damaged by excessive exposure to sunlight.