(ophthalmology, relational) Of or pertaining to the retina.
retinal
Definitions, parts of speech, synonyms, and sentence examples for retinal.
Editorial note
> a retinal model in conjunction with retinal scanning via webcam You probably mean iris.
Quick take
(ophthalmology, relational) Of or pertaining to the retina.
Meaning at a glance
The clearest senses and uses of retinal gathered in one view.
(biochemistry, organic chemistry) A yellow to orange aldehyde derived from vitamin A that is formed from rhodopsin by the action of light and in combination with proteins forms the visual pigments of the retinal rods and cones.
Definitions
Core meanings and parts of speech for retinal.
adjective
(ophthalmology, relational) Of or pertaining to the retina.
noun
(biochemistry, organic chemistry) A yellow to orange aldehyde derived from vitamin A that is formed from rhodopsin by the action of light and in combination with proteins forms the visual pigments of the retinal rods and cones.
Example sentences
> a retinal model in conjunction with retinal scanning via webcam You probably mean iris.
The difference I see between fingerprint and retinal scan is that a fingerprint is readily visible - as this hack proves.
That could mean many things, such as possible retinal detachment.
One form of the disease, LCA2, is caused by mutations in the retinal pigment epithelium-specific 65-kDa protein gene (RPE65).
Each patient had a modest improvement in measures of retinal function on subjective tests of visual acuity.
My problem with all of this prfiling/bio-metrics is an extension of the problem with retinal scanning.
Can you present a functioning iris with a custom retinal image behind it?
A little over a week ago, I had a Branch Vein Retinal Occlusion - basically, a stroke in my retina.
I don't think you can capture a reliable retinal scan unless you get within centimeters of someone's eyeball with a scanner.
Acccording to the documentation, OpenCV contrib indicates a retinal model.
Carrots contain beta-Carotene (bet you can't guess the etymology.) Beta-Carotene gets metabolized into various forms of vitamin A, including retinal, which is necessary for eye health.
In one patient, an asymptomatic macular hole developed, and although the occurrence was considered to be an adverse event, the patient had some return of retinal function.
Quote examples
For example, if you stare at a bright white screen, especially when tired, you'll eventually see "static" due to retinal fatigue happening at uneven rates.
My assumption is unbeatable "liveness check" at the retinal scanner[1].
Your own analogies both suggest that some way of binding "pilotability" to the actual pilot would be useful -- maybe a retinal scan or DNA check before activating the controls.
Or is it more likely (human nature being what it is, especially when faced with an event in the "We could have prevented this but failed to" category) that laws will be passed to ban drone operation unless the operator has a year of training, N hours of flight time, retinal scans on record, and a giant red 'D' branded on their chest?
Proper noun examples
Retinal scans get tripped up by things like pregnancy and other health issues.
Retinal projection could be a better bet long-term.
Retinal scans are out, iris scans are in.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use retinal in a sentence?
> a retinal model in conjunction with retinal scanning via webcam You probably mean iris.
What does retinal mean?
(ophthalmology, relational) Of or pertaining to the retina.
What part of speech is retinal?
retinal is commonly used as adjective, noun.