retinal
word
Definition
Relating to the retina, the light-sensitive layer at the back of the eye. It can also refer to a molecule (retinal) important for vision.
Usage & Nuances
'Retinal' is used both in medical/biology contexts as an adjective ('retinal tissue') and as a noun for the chemical involved in vision. Don't confuse 'retinal' (related to the eye) with 'retinol' (a form of vitamin A). Common collocations: 'retinal detachment', 'retinal scan', 'retinal image', 'retinal pigment'.
Example Sentences
The doctor checked her retinal health during the eye exam.
basic
A retinal scan is often used for secure identification.
basic
Retinal detachment can cause vision problems if not treated.
basic
The eye specialist said my retinal images look normal.
natural
Vitamin A is turned into retinal, which helps you see in low light.
natural
After my accident, I had to get regular retinal exams just to be safe.
natural