retina

When the eyes look directly at the front, light through the cornea and the lens, and focus on the retina, known as macular.

Glaucomatous damage to upper and lower retina is often unequal.

Bilberry extract is beneficial in the strengthening of red blood cells and capillaries, specifically around the eyes and in the retina.

the wiring was not perfect: terminals of neighboring cells in the silicon retina did not end up next to one another in the silicon tectum.

After going to the hospital, it was discovered that there was partial necrosis of her retina due to an acute retinal artery obstruction.

But the light being reflected off the door is only landing on the outside edge of your retina.

At least three types of cells in the retina allow us to see images or distinguish between night and day.

Sharp, clear vision is the result of light rays passing through the cornea, pupil and lens and focusing directly upon the retina.

Small electrodes are placed on the outer wall of the eye and an electrical current stimulates the retina to see light.

The vertebrate eye - with its back-to-front wiring and blind spot where the wiring goes through the retina - is one example.

For the purposes of our discussion, the key parts of the eye are the lens, the iris and the retina (where we find the rods and cones).

Shining monochromatic light on the retina is not the only way of creating a given colour impression.

With the right mix of nutrients, the cells changed and began to grow to make a synthetic retina.

Apple just announced that it will sell a new iPad with its high-resolution Retina display that has twice the storage of its largest model.

It exploits the fact that the light-sensitive cells in the retina at the back of the eye are a direct extension of the brain.

The dark - brown vascular coat of the eye between the sclera and the retina.

Once the retina detaches it assumes a slight opaque color with a convex configuration and a corrugated appearance (arrow).

If a cataract blocks light from entering the eye and stimulating the retina, the area of the brain used for sight does not develop properly.

In his youth he suffered a detached retina playing rugby. He spent weeks in a darkened room as he recuperated.

The immunohistochemical techniques were used to detect the expression of neuroglobin(NGB)in retina of each group at different time.

Proliferative retinopathy: * is a new abnormal vessels in the retina surface, or the optic nerve in the beginning of a period of the nipple.

This was the clue that the high oxygen levels that occur naturally in the retina after rods die was the suspect regarding cone cell death.

Sick of these small blood vessels leak blood and fluid, caused retinal edema or leakage of a deposition in the retina.

a defect of vision in which objects appear to be distorted; usually due to a defect in the retina.

The device -- known as a subretinal implant -- sits underneath the retina, directly replacing light receptors lost in retinal degeneration.

Parallel physiological and psychophysical visual pathways have been suggested to carry different visual signals from retina to cortex.

In use, a digital camera first takes pictures of the retina at a primary care physician's office or other remote clinical site.

Light is the portion of the Electromagnetic Spectrum that can excite the retina and produce a visual sensation.

Researchers believe they may be able to replace damaged cells in the retina with similar ones found in algae.

They concluded that this molecule dissolved the scar on the outer surface of the retina.

The team went on to transplant a layer of stem cells between the degenerating mice retinas and healthy donor tissue (whole retina).

For the experiment, the scientists injected millions of copies of a working gene beneath the retina in the back of the eye.

Objective: To investigate the operative effect and its complication of comprehensive treatment for the primary detachment of retina.

An example of such a case is the mammalian retina, particularly from immature animals or using primary cultured cells.

The retina provides exquisitely sensitive vision that relies on the integrity of a uniquely vulnerable cell, the photoreceptor (PR).

The ability to see colors comes from specialized light-sensing cells found in the retina.

The blood pressure control is stable or not have no influence to the retina blood vessel caliber and ratio of vein and the artery.

There was no increase in MMP-2 when they attempted whole-retina transplants.

Here, an "artificial retina" consisting of an array of electrodes sends messages along the optic nerve to the brain.

Your eye-care professional will look for optic-nerve "cupping" and changes in the appearance of the retina and the retinal blood vessels.

None of the classical causes of occlusion of the central vein of the retina could be evidenced.

The main causes of vision deterioration were chorioretinal degeneration, cataract complications, and retina detachments.

But the disease often causes telltale changes in the retina that can be picked up by an ophthalmologist.

The rods and cones that make up the human retina may also channel light via total internal reflection.

So in the case of the visual pathway, you start with the retina where rods and cones are connected by cells.

The term PRA is an "umbrella" word that includes all inherited diseases that cause progressive degeneration of the retina.

Vitamins function as photoreceptor mechanism of retina, maintenance of integrity of epithelia, lysosome stability, glycoprotein synthesis.

A number of experimental studies suggest that form deprivation myopia (FDM) may be regulated by the local retina.

It forces the image to be focused in front of the retina rather than upon it, as would happen in a normal eye.

The operation delivers the normal genes to the retina, using a harmless virus or "vector" to carry the gene into the cells.

With fewer cell divisions occurring, the retina has far fewer opportunities to turn cancerous.

Sometimes special needs into the silicon oil or gas to the vitreous cavity, the stripping of the retina back to paste in situ.

Conclusions: The serious opacity of refractive media, the damaged or detached retina and the choroids edema are the main causes of NLP.

Children's room: children's developmental needs color to stimulate the retina, children for a bright, brilliant color.

retinal complication: Basically be oedema of appearance of yellow spot bursa and detachment of retina.

Results The expression of NGB increased gradually in retina of diabetic rats, then the tendency to be stable.

Depending on your vision, the right kind of lens helps your eye focus light properly and project a clear image onto the retina.

Major Topics: Anatomy and Physiology of the Retina, Ganglion-cell Receptive Field Organization, Pre-ganglionic Elements.

In response to the altered visual signal input from the outer retina, signal processing in inner retinal neurons was also modified.

Exudative retinal detachment involved the inferior retina in five eyes (83%), and was near the posterior pole in one eye (17%).

These photoreceptors are different from the rods and cones used to perceive light hitting the retina.

Some monochromatic yellows may be matched by the simultaneous arrival at the retina of red and green lights.

Consider one of the difficulties: every time we move our eyes, the image on our retina moves.

The eye, the retina of the eye, is one of the most exquisitely sensitive tissues to a loss of blood flow.

AIM: To investigate the expression of inducible nitric oxide and its affection on the apoptosis of retina in diabetic rats.

A crystal layer behind the coelacanth's retina reflects light like a mirror, a boon in the ocean's dim waters.

These patches also show up on your mucous membranes and the retina of your eyes.

While cataracts can be removed surgically, there is no way to reverse damage to the macula, the area in the center of the retina.

Objective To compare the thickness of the retina and its sublayers between young and elderly rats using a stereological method.

In this period, the retina of the small blood vessels narrowed or blocked, other cystic formation of blood vessels expand.

His retina detached and he had to be rushed into surgery.

Just about at the center of the retina is a small depression from 2. 5 to 3 mm in diameter known as the yellow spot or macula.

The ophthalmoscope allows the examining doctor to look inside the patient's eye at the lens, retina and optic nerve.

The berries contain compounds called anthocyanosides, which may protect the retina against macular degeneration.

Lens turbidity, lens transparency reduce, video fuzzy, eyesight, eyes are dim, retina macular degeneration, cataract.

The Foundation is also investing in nanoparticle research which may be effective for delivering corrective genes to the retina.

After the premature infant is born, has one kind of more serious ophthalmopathy , namely premature infant retina pathological change.

Because color is what we perceive when light of a particular frequency meets cones--special cells in your retina.

Accidental laser exposure to the eyes may result in serious visual impairment due to retina degeneration.

Recent studies have shown that components of the cell-cycle machinery can have diverse and unexpected roles in the retina.

Results All samples were normal by ophthalmoscope examination while no pathological change of retina was found at various time points .

Theoretically, a JAAS LoginModule could even be built to interface with a fingerprint reader or retina scanner.

The final tooth-lens product was removed from Thornton's shoulder and placed in the center of the eye, in line with the retina.

Results published today focus on the health of the entire retina, not just the tiny portion that received the gene therapy.

Photoreceptors in the retina containing lightsensitive pigments capable of initiating the process of photopic vision.

The apparently black circular opening in the center of the iris of the eye, through which light passes to the retina.

Apple is calling the LED backlit, 960 x 640 IPS screen the "Retina Display" due to its high resolution and pixel density.

It is enclosed by the blood-retina barrier, keeping viruses in and the immune system mostly out.

Smoking reduces the plasma concentration of antioxidants and also the carotenoid concentrations in the blood and retina .

They predominate and are of greatest concentration in the for ea, the central part of the retina.

How did the lens, retina, optic nerve, and all the other parts in vertebrates that play a role in seeing suddenly come about?

The results were horrifying. Every link pointed towards retinoblastoma , a cancer of the retina.

Beyond this distance, some of the detail in the picture can no longer be resolved by the conical receptor cells in the retina of the eye.

In wet AMD, abnormal blood vessels grow and leak around the retina .

A significant amount of visual processing arises from the patterns of communication between neurons in the retina.

Vitamin A stimulates repairing and regenerative epithelium processes, participates to the rhodospin synthesis of retina sticks.

And each pupil sends incoming visual info to a different side of the fish's retina.

As part of the brain, the retina itself can perform a series of preliminary calculations with the input optical signals.

abstract: Objective To evaluate the effectiveness of healthy education in preventing re-detachment of retina.

Collie eye anomaly (CEA) is a congenital, inherited, bil ater al eye disease of dogs involving the retina, choroid, and sclera .

A derivative, retinal, is a component of the visual pigments, including rhodopsin, in the retina.

The disease is caused by a mutation of the ABCR gene which leads to the degeneration of photoreceptors in the retina and vision loss.

His basic studies on the retina are considered the foundation for practically every advance in the neurophysiology of vision.

This is because a number of inflammatory cytokines have been shown to be up-regulated in the retina.

Zinc is associated with glutamatergic pathways in brain and retina, yet its role in neuromodulation remains unknown.

Australian and American scientists are working on retina prostheses that produce biochemical impulses instead of electrical ones.

One explanation for hunting birds' phenomenal eyesight is the sheer size of the retina.

Cones in each half of the retina are adapted to produce different light-filtering pigments.

Fibers from the macular region of the retina are particularly vulnerable to inflammation.

In this study four cases of diabetic retinopathy received hyperbaric oxygen (HBO) therapy to evaluate its effect on the ischemic retina.

This incredible human eye, complete with retina and iris, can be found in the Maldives.

Secondly, the effects of different locations of the retina on visual imagery processing.

If retinal detachment, retinal cells will lose the choroid (in the outer retina), the supply of nutrients, leading to vision loss.

The Retina Nebula of the Southern sky's Lupus constellation peers at Hubble's Wide Field Planetary Camera.

Through the immunohistochemistry and hybridization in situ to detect the expression of IGF1 in the retina of the DR rats.

The retina processes these images into signals that travel through the optic nerve to the brain.

For the treatment of diseases of the retina and design, use single or pre-set template array photocoagulation, maximum 56.

Ms. Campbell's artificial retina works similarly, except it produces the sensation of sight, not tingling on the tongue.

It associates with a new growth of vessels beneath the retina that can cause spontaneously leakage and bleeding .

As early as 1962 a ruby laser welded a detached retina to a patient's eyeball to save their vision.

The drug has to be delivered to the retina, a thin film lining the inner wall of the eye.

And the high-resolution Retina display renders pages beautifully, with perfectly crisp text and bright, vivid graphics.

Moreover, it reads a two-dimensional array of data from the retina and creates from it the impression of three-dimensional space.

After rods die, the level of oxygen in the retina goes up, and this work shows that it is the high oxygen that gradually kills the cones.

The receptive mechanism of the retina can also adapt itself to large differences in quantity of light.

When the retina was locally injured, light-elicited redes were diminished only in the injured areas of the retina.

You accidently stare at a helium-argon laser , lose one turn and a retina .

A refractive error means that the eye cannot focus light on to the retina properly.

Here's how it works: when the eye's retina experiences a certain type of visual stimulus, the brain generates electrical activity.

The most distant object for which an image can be formed on the retina is then nearer than infinity.

Eye doctors can detect evidence of high blood pressure by looking at the retina.

Objective To evaluate the retina cecal-ascending colon continent urinary reservoir.

reflex changes in the eyes that enable an object to be focused on the retina.

The slits make the retina of the eye sense the light and create impulses therefore making us more sensitive to light.

The chip that does this was designed by a firm called Retina Implant.

In this study, the Keirstead team utilized the differentiation technique to create the multiple cell types necessary for the retina.

Conclusion Trace PFD exists in eyes. There is no relevance between poisonous development of retina and remaining dosage of PFD.

Organic compound contained in the light-sensitive rod cells in the retina that helps the eye adapt to dim light.

This secured the retina in its proper position for the healing process.

The image on the left shows the smallest cones at the center of the retina, (the fovea).

Investigation of the damage of persistent ocular hypotony to the retina.

The adjacent tissue ( choroids membrane and retina) adapt to this process.

Please take it easy. Serious nearsightedness and aging probably contribute to atrophy of retina.

Mr Mansfield oversees groups that components for the iPhone and iPod touch, including the A4 chip, Retina display and touch screens.

Wrobel, CEO of Retina Implant AG is the first of its kind data providing the cost-benefit analysis of subretinal implants.

This process is normally catalyzed within the lumen of blood vessels and facilitates the removal of CO2 from the retina.

Two hidden cameras then look for the 'glints' from eyeballs and reflections from each retina.

Toth is working to create a handheld, high-definition eye scanner to check infants for retina-related problems.

Highly near- sighted to amalgamate retina split holes , will cause detachment of retina, send to blind.

If the eye grows too long, the retina is carried backwards so now the focus forms in front of the retina. The person becomes near-sighted.

An eagle's retina has six hundred thousand cones per square millimeter, four times as many as in humans.

Photoreceptor loss caused by degeneration in the pigmented layer of the retina (RPE cell layer) eventually leads to blindness.

In fact, the "flying mosquito" is present in the vitreous in the bonding of glial cells or debris, the projection was formed on the retina.

The cornea is a part of the eye that helps focus light to create an image on the retina.

Vision is much more acute at the fovea than at other portions of the retina.

abstract: Objective To explore the neuroglobin(NGB)expression in retina of diabetic rats.

Objective To observe the influence of different concentration of glucose on retina cells.

If left untreated, the disease can lead to complete blindness as the color-sensing cells in the retina slowly degenerate.

Fibers from the unilateral retina were observed to terminate more in the contralateral nucleus.

A specific area of the superior retina is more vulnerable to light damage, which leads to the up-regulation of CNTF.

The device then magnifies and projects the images onto a healthy portion of the retina.

Conclusions: The damage of the retina and choroid became stronger during the first 24 hour after the irradiation.

In this eye, diabetes has caused tiny hemorrhages in the retina and yellowish deposits of blood fats (lipids).

As its name suggests, AMD is a disease of the macula, a pea-sized patch in the centre of the retina.

Disorders affecting the retina or the macula in its centre decrease vision and can cause blindness.

This disease is caused by hardening of arteries in the macula, the light-sensitive tissue in the center of the retina.

We hope our description of the retina 's preprocessing power is a step toward that end.

Quanzhou, who knows what a hospital in the Eye is better? friends, I would like to correct detached retina after strabismus surgery.

Objective To investigate the protective effect and mechanism of Ziyinmingmuwan on retina against photic injury.

The high-resolution Retina display on i Phone 4 makes text so crisp and clear, it will literally change the way you see your email.

Flying corks can cause retina detachment, double vision, and blindness. Happy New Year!

The registration of retinal images is required to facilitate the study of the optic nerve head and the retina.

Vision in bright light, mediated by cone cells of the retina; daylight vision.

Heavy silicone oil is heavier than water and better to inferior retina.

Objective To measure the thickness of neurosenory retina in different region of macula by optical coherence tomography.

In vertebrate visual system, information is firstly processed in retina.

Lesions form behind the retina, impeding the center of an individual's field of vision.

Images will be written directly to our retina , providing full- immersion virtual reality , augmented real reality .

In this paper, a method is proposed for detecting blood vessels in pathological retina images.

No infiltrating cells surrounding the larvae in the retina were observed in the infected mice.

Our work is inspired by the most important part of the eye--retina, which is in charge of receiving and processing visual signals.

Objective: To observe the curative effect of krypton laser and TCM on thrombosis of central vein of retina.

The retina can peel away from the back of the eye like wallpaper off a wall.

AMD causes light-sensitive cells in the retina to break down, resulting in progressive loss of central vision.

Results The retinal lesions were repaired and the morphological structure of the retina was brought to normal gradually.

Uveal inflammation will affect the cornea, retina, sclera, the optic nerve.

This Touch now has the same sharp Retina Display screen as the iPhone 4, as well as two built-in cameras.

Other signs include bleeding of the retina and swelling of the optic nerve.

In the periphery of the retina, ganglion cells are relatively few in number.

Computer operators work in front of the screen too long , the retina rhodopsin which be synthesized by vitamin A mainly would be consumed, .

Retina response to lights with different wavelengths .

The receiver sends the data via a tiny cable to an array of electrodes which sit on the retina.

Your doctor may also do a test called an optical coherence tomography (OCT) to check for fluid in your retina.

Conclusion A combination use of clobetasol propionate and retinA cream is effective and safe in treatment of psoriasis vulgaris.

Paraffin sections were prepared 24 h after retina fixation, HE staining was performed, and the outcomes of fixation were compared.

All major groups of vertebrates have rods in the retina as well as cones .

It gradually destroys the rods and cones that detect light in the retina of the eye.

It is caused by complications from diabetes which can damage the blood vessels linked to the retina at the back of the eye.

A big eye allows a larger image to be projected onto the retina at the back of the eye.

Kodak Instamatic Reflex Film Camera, Retina, Germany.

When light strikes the cornea, it bends before reaching the lens which then focuses it onto the retina.

A grey folded appearances starting peripherally is seen when the retina is detached from the choroid.

The serious breakdown of BRB in the peripheral retina preceded the central retina.

As a result, System card on reflection to the human eye to several coloured light on the retina almost in one place.

We built a DLP-based stimulator for projecting patterns on the in vitro primate retina.

The image in the retina will be clear with correction, it will be beneficial to the treatment of amblyopia.

Tissue, Nuclear Protein, Human Adult Normal, Eye, Retina.

Objective To investigate the localization of free zinc ions in the mouse retina.

Conclusion, Retina Pathology caused by radioactivity may be found early with F-VEP.

Eyecolors: Drusen, the yellow flecks in this image of the retina, are common inpeople with age-related macular degeneration.

The panel then transmits the information to the Retina display below it.

The high viscosity and stasis of blood have damaging effect on the retina of diabetic patients.

Method: The cause and surgical treatment for recurrent detachment of retina in 40 cases (40 eyes) were analysed respectively.

This image shows a wistar rat retina outlining the retinal vessel network.

Proteorhodopsin is related to the pigment in the retina that enables human vision in less intense light.

Is the reflection of objects projected on the retina upsidedown?

Complex carbs prevent blood sugar swings that can damage delicate cells in the center of the retina.

And no matter how close you get, text looks clear on the Retina display.

With the artificial retina, a sheet of electrodes is implanted in the eye.

The retina is the sensory tissue in the back part of the eye.

The vascular lining tissue underneath the retina.

Neuromorphic circuits mimic biological structures found in the nervous system, such as the cochlea, retina and brain cells.

thermal effect leads to re-attachment of the retina.

Recently, media reports said, "Diving Queen" Guo Jingjing right eye retina off a sign, at any time to face the risk of blindness.

Dr Zrenner's company, Retina Implant, is developing a device which contains the camera within the eye and has more than 1, 500 electrodes.

When injected behind the retina at the back of the eye, the gene produces a protein that is sensitive to red light.

Both eyes had angioid streaks and peau d'orange pigmentary pattern of the retina.

Hit the jump for more retina-burning retail pix, Microsoft-style.

The retina is the first stage for visual information processing.

Antioxidants (such as vitamin C, vitamin E, various types of carotenoids, and zinc) are thought to reduce oxidative damage to the retina.

Conclusions: 2. 5mg intravitreal Avastin does not have obvious toxic effects on the mouse retina, brain, cardiac, liver and kidney tissue.

He was operated on FOR detachment of the retina.

Rays light impinge upon the retina .

It introduced the progress on body position nursing care of patients with detachment of retina.

Like rods and cones, these ganglion cells are found in the retina.

There is no cure for retina degeneration.

The optical system of the eye stimulates cells of the retina.

This paper introduces an artificial retina microelectrode array, which is based on the technique of micro-electro mechanical system (MEMS).

The procedure reshapes the cornea by vaporizing cells so that light focuses onto the retina properly.

During the follow-up, no detachment of the retina was found and the refracting media of 24 eyes(88. 89%)remained clear.

Argus One, the first-generation product, is a 1-inch silicon-chip with 16 electrodes, surgically attached to the retina.

Maps on i Phone 4 look amazingly crisp and detailed on the high-resolution Retina display .

Red-eye phenomenon is caused by light reflected off retina, and results in reddish pupils.

On i Phone 4, the high-resolution Retina display renders every page beautifully.

Last week, Japanese scientists grew a retina from stem cells for the first time.

One well-known example of this is the blind spot in the eye, which is a point in the retina which contains no sensory cells.

The retina is the sense reteshow in back part of the eye.

The ability of the eye to bend light so that an image is focused on the retina.

The retina is composed of rods and cones, two different kinds of light-sensitive elements.

The periphery of the retina is very sensitive to motion.