Recent Examples of retina from the Web
Some use chlorophyll to convert sunlight during photosynthesis and others use rhodopsins, proteins that bind to a form of vitamin A called retina to capture light.
The blast left the front part of Northup's eye deformed, damaging the cornea and bruising the retina.
Shannon says the vision loss in her right eye is the result of childhood cataracts that were never properly treated, and her left was damaged by retinal detachment, a disorder of the eye in which the retina separates from the layer underneath.
The cornea's function is to focus light on the retina at the back of the eye.
The cornea’s function is to focus light on the retina at the back of the eye.
In people with the condition, blood vessels behind the retina grow abnormally and are prone to bleeding.
Photo: Newcastle University The cornea is the first lens light passes through before eventually hitting the retina at the back of the eye.
Beyond that, one major diabetes complication involves damage to your retina’s blood vessels, which can eventually lead to blindness.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'retina.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
RETINA Defined for English Language Learners
Definition of retina for English Language Learners
: the sensitive tissue at the back of the eye that receives images and sends signals to the brain about what is seen
RETINA Defined for Kids
Definition of retina for Students
medical Definition of retina
Seen and Heard
What made you want to look up retina? Please tell us where you read or heard it (including the quote, if possible).