adjective
definition
Of or pertaining to the retina.
Examples of retinal in a Sentence
In the eye, injected stem cells attach to a type of retinal cell called astrocytes.
If both vibrate, the point describes a curve which appears continuous through the persistence of the retinal impression.
More usually, by an infolding of the layer of cells in development, we get three layers under the lens; the front layer is the corneagen layer, and is separated by a membrane from the other two which, more or less, fuse and contain the nerve-end-cells (retinal layer).
The incidence of retinal angioma does not appear to be correlated with specific germline mutations.
Conclusion The ASR retinal prosthesis, to date, has shown no biosafety or negative personal reactions in people with RP.
Are we dealing with just a handful of disease mechanisms or are there many different routes to retinal degeneration?
The small area of lattice degeneration in the superior temporal quadrant OS remained free of retinal breaks.
The only threat to vision is the small chance of a retinal tear leading to a retinal detachment.
Patients were selected from all patients undergoing primary vitrectomy for rhegmatogenous retinal detachment.
The group have studied a number of conditions associated with progressive retinal dystrophy.
Extensive or ' geographic ' atrophy of the retinal pigment epithelium, however, can result in marked visual acuity loss.
The practitioner should always bear in mind that failure to examine the fundus properly under mydriasis may lead to serious retinal changes being missed.
The ocular findings in albinism include nystagmus, decreased visual acuity; hypopigmentation of retinal tissue, and macular hypoplasia.
Reading speed improves if a new trained retinal locus (TRL) is established in an area that is more favorable for reading.
Important eye problems related to degraded visual acuity and depth perception include myopia, hyperopia, astigmatism, presbyopia, and retinal rivalry.
Is there anything that can be done to prevent a retinal vessel occlusion?
Examination The visual acuity is reduced in central retinal vein occlusion.
The retinol is oxidized to its aldehyde, retinal, which complexes with a molecule in the eye called opsin.
In the visual pathway the fibers of the retinal ganglion cells form the optic nerve.
The laser isn't used on the blood vessels directly, but is scattered over the whole retina (pan retinal photocoagulation ).
Our perception of color arises from the presence of three types of retinal photoreceptors (cones) sensitive to different wavelengths of light.
Early ARM is when only drusen and retinal pigment epithelial changes are present.
Methods An ASR retinal prosthesis was implanted 20 degrees from the fovea in 10 people with RP.
It is thought that oxygen radicals cause abnormalities in the developing retinal blood supply.
The role of the retinal pigment epithelium in regulating development of the neural retina.
Researchers transplanted retinal cells into adult mice lacking the genes for two proteins important in glial scar formation.
She told us about the new retinal screening which is about to start at the West Mendip Hospital in Glastonbury.
However, the size of the retinal image depends upon the optical angle subtended at the eye by the tree.
Retinal vein occlusion The retinal vein occlusion The retinal veins drain away the used blood from the retinal cells.
A person who seems to have a retinal detachment must be seen by an eye surgeon right away.
Stickler syndrome is the commonest inherited cause of retinal detachment in children.
When this happens the retinal cells quickly suffer from the lack of fresh oxygen.
Cortisol, thyroid and GH deficient, epilepsy, retinal aplasia, tetralogy of fallots (repaired).
Retinal vein occlusion The retinal veins drain away the used blood from the retinal cells.
Aspirin therapy is not associated with an increased risk for retinal or vitreous hemorrhage.
In addition, a veterinarian certified as a dog ophthalmologist must test the puppies' eyes since also prone to a myriad of conditions including progressive retinal atrophy.
It also may suffer from eye conditions, such a Progressive Retinal Atrophy.
This breed is also known to suffer from eyelid problems, progressive retinal atrophy (PRA), boils on the lip and tumors.
Some Labs are susceptible to eye problems, such as cataracts, progressive retinal atrophy and retinal dysplasia.
Retinal macular degeneration (dry type) on the other hand is irreversible, resulting in loss of central vision while the eye retains peripheral vision.
This can ring especially true if you suffer from, or have suffered from, macular degeneration or any retinal dystrophies.
Untreated retinal detachment can cause blindness.
The danger of retinal detachment is an important reason for children to avoid contact sports or other activities that could cause a blow on the head or being knocked to the ground.
All children with Marfan should be taught to recognize the signs of retinal detachment (sudden blurring of vision in one eye becoming progressively worse without pain or redness) and ask their parents to seek professional help immediately.
Rough physical contact may cause retinal detachment.
Its presence is one of the defining parameters (along with retinal hemorrhage) of shaken baby syndrome.
Retinal damage becomes severe when blood pressure levels are high and remain elevated for a prolonged period of time.
In order for retinoblastoma to be classified as trilateral retinoblastoma, the tumor must have developed independently and not as the result of the spread of the retinal cancer.
The retinal tumor which characterizes retinoblastoma is malignant, meaning that it can metastasize (spread) to other parts of the eye and eventually other parts of the body.
A malignant tumor of the retina (retinoblastoma) can result when just one retinal cell loses control of it cell cycle and replicates out of control.