Sentences with phrase «by optic nerve»

Scientists at the Virginia Tech Carilion Research Institute (VTCRI) have revealed the pathology of cells and structures stricken by optic nerve hypoplasia, a leading cause of childhood blindness in developed nations.

It has fallen on the blind spot of your left eye, a small patch of retina called the optic disk that is devoid of receptors (an imperfection caused by the optic nerve piercing the retina as it exits the eyeball).

If the human body were designed by an omniscient and omnipotent being surely it would not have made such a poor job of the laryngeal nerve in mammals, the spine not being optimal for bi-pedal gait, the blind spot caused by the optic nerve, etc. etc..

A cat's pupils are controlled by the optic nerves and the brain, which sense the amount of light entering the

Not exact matches

Your baby's senses are becoming better by the day, and studies show that babies at this stage respond to light and touch, conveying the fact that the optic nerve is up and running.

«Our data clearly showed that one of the protein receptors on white blood cells called CXCR3 brings white blood cells to the optic nerve in response to production of its binding partner CXCL10 by damaged nerve tissue,» said Zhang.

Glaucoma is characterized by rising fluid pressure in the eye that damages the optic nerve.

A leading cause of blindness in the world especially for the elderly, glaucoma is caused by high intra-ocular pressure in the eye which then leads to damage to the optic nerve.

The drops protected the animals» retinal ganglion cells and optic nerves, both of which are generally damaged by the disease.

Ivermectin, the established drug which successfully treats the infection, is known to be effective against minor damage caused to the front of the eye by the worm, but until now scientists had very little clear evidence about the drug's role in preventing more serious effects of infection, in particular damage to the optic nerve.

When these photoreceptors detect light, they send a signal to specialized neurons in the retina called retinal ganglion cells, or RGCs, which then transmit visual information to the brain by firing electrical pulses along the optic nerve.

Now scientists in Nigeria and Britain have completed a placebo - controlled trial in more than 3500 people which shows that ivermectin reduces the incidence of optic nerve disease caused by the worm Onchocerca volvulus (The Lancet, vol 341, 16 January 1993, p 130).

Some of the cells in this layer (the photoreceptors) convert light into an electrical signal that is then amplified and processed by other cells before being sent to the brain via the optic nerve.

Methanol harms sight mainly by damaging mitochondria in cells in the eye's retina and optic nerve.

Glaucoma, a leading cause of blindness in the United States, is characterized by increased pressure in the eye, which can damage the optic nerve.

Dr. Levin's lab is investigating a new class of drugs that are highly effective at keeping RGCs alive when the optic nerve is damaged by glaucoma.

Therefore, we reveal that optic nerve regeneration and navigation are in fact shaped by astrocytes.

However, there is no obvious damage to the optic nerve as detected by an eye examination, optic nerve imaging, or evidence of visual field change.

Summary: All forms of glaucoma have in common optic nerve degeneration characterized by typical visual field defects, and are usually associated with elevated intraocular pressure, also known as ocular hypertension (OH).

Neuroprotection can also be applied later in progression to abate further degeneration and hopefully, hopefully, restore function by stimulating a self - repair response in the retina and the optic nerve.

Summary: Glaucoma is one of the leading causes of blindness worldwide characterized by irreversible damage in the optic nerve head (ONH).

It helps the eyes by reducing eye twitching and spasms, and also protects the optic nerve and tissues at the back of the eye.

Nutritional optic neuropathy, a damage of the optic nerve with reduction of color vision and visual field defects may be caused by lack of certain vitamins or other nutrients in a chronic alcoholic on a poor diet [19].

The groundbreaking production design by Anton Furst alone is enough to tingle the optic nerve.

Over a dozen research groups are testing electronic implants that can restore sight to the blind, by sending visual signals into the optic nerve or the visual cortex.

Brain diseases and optic nerve diseases can appear just like SARDs by causing blindness over days to weeks, and an ERG can distinguish between these neurological diseases and SARDs.

Glaucoma is a common condition in which the fluid pressure inside your pet's eye increases, resulting in damage to the optic nerve, followed by loss of vision and blindness.

By that time, the affect eye is enlarged and completely blind due to destruction of the optic nerve.

It is not unusual to see a thin halo of altered reflectivity or conus papillaris around the optic nerve head as seen in B and C. (D — F) Stage 1 is characterized by multifocal red or brown discoloration of the tapetal fundus (arrows).

To relieve eye strain and strengthen the optic nerves, two specialized eye therapies are offered by Divya Spa in The Leela Kempinski Kovalam.

The expert believed that the nurse was negligent in part by damaging the woman's left optic nerve by sticking it with the needle.