Recent Examples of retina from the Web
Guests at Arcis must have their retinas scanned to go through the first door, then present their bare forearms for a vascular scan at a second door.
Diabetic retinopathy is a complication of diabetes, wherein the central part of the retina becomes damaged, causing loss to the center of the field of vision.
Mary Alice also has brittle cornea syndrome, a condition related to Ehlers-Danlos that causes abnormalities of the eye and can lead to her retina becoming detached during activities.
Signs include abnormal growth of blood vessels in the back of the eye that causes scarring and detachment of the retina.
The disease causes weakening of the macula, which is the small area at the center of the retina, which is specialized for fine vision.
Even when our eyes are closed, light can get through our eyelids’ thin skin, and reach the retina, which signals the pineal gland to stop making melatonin, a hormone that regulates sleep.
Even when our eyes are closed, light can get through our eyelids' thin skin, and reach the retina, which signals the pineal gland to stop making melatonin, a hormone that regulates sleep.
Yet all that reaches Augie from his environment is a stream of photons hitting his retina and disturbances of air contacting his eardrums.
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
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