Sentences with phrase «lens of the eye»

The normal lens of the eye is a focusing device.

Cataracts turn the clear lens of the eye cloudy and opaque and ultimately result in blindness.

Older adults can also have poor twilight vision for other reasons that relate more to the decreased clarity of the eyes» contents (such as the internal lens of the eye) with age.

Anoka Faruqee likes to challenge the crystalline lens of our eyes.

A cataract describes any opacity in the normally clear lens of the eye, and prevents light from reaching the retina at the back of the eye, sometimes eventually leading to blindness.

First, UV light is absorbed by the lens of your eye, which can cause cumulative damage over time like cataracts.

Starting with the entry of the stimulus through the lens of the eye and progressing to the neural reflex mechanisms in the roof of the midbrain, it gives a step - by - step account of how a small moving object in the field of vision can cause a shift in the focus of attention.

The brain is forming, as well as the tongue and lenses of the eyes.

Affected children are also at increased risk of delayed development, clouding of the lens of the eye (cataract), speech difficulties, and intellectual disability.

Finally, you might contract cataracts, as the current and heat of a strike can turn proteins in the lens of your eye opaque.

Studies of the lens of the eye not only could reveal ways to prevent cataracts but also might illuminate the biology of Alzheimer's, Parkinson's and other diseases in which cells commit suicide

It's a world of vision that it is difficult to imagine, but we might get some clues from people with aphakia: a condition in which the lens of the eye — which normally absorbs UV light before it can reach the retina — has been removed in surgery or lost in an accident.

Regeneration of the lens of the eye in newts (16 July, p 15) is biologically sensational.

The newt can regenerate lost tissue, including heart muscle, components of its central nervous system and even the lens of its eye.

So Neilsen and colleagues used a new technique based on the lens of the eye.

The various measures of eye structure were analyzed for association with age, refraction (vision prescription), and accommodation (the ability to focus on distant or near objects by changing the shape of the lens of the eye).

The presence of myopia, or nearsightedness, significantly affects the muscles used in focusing the lens of the eye — a finding with important implications for the development of «accommodating» implanted intraocular lenses (IOLs) that can adjust to different visual distances, reports a study in the January issue of Optometry and Vision Science, official journal of the American Academy of Optometry.

The baby's ears, his tiny lips, the lenses of his eyes and even the feathery, fluttering valves in his heart were as crisp and clear as the muscles and tendons in a Leonardo da Vinci drawing.

They do their work in all kinds of tissue: in the brain, in heart and muscles, as well as in the lenses of our eyes where they prevent turbidity.

«Blur is normally compensated for by adjusting the lens of the eye to bring the image back into focus,» says study co-author Aaron Johnson, a professor in the Department of Psychology at Concordia.

The green fluorescent pigment in the lenses of its eyes acts like a filter, absorbing the sea's ambient deep blue light.

They form when proteins, called crytallins, in the lens of the eye start to aggregate, causing the normally transparent lens to cloud over.

For light to reach the retina and be absorbed by the pigments, it first travels through the lens of the eye.

He focused his research on the lens of the eye, a clear tissue nourished not by blood vessels but by a network of membrane proteins that maintain homeostasis.

UV exposure gradually yellows the lens of the eye over a period of years and can cause cataracts, but those depend on general exposure to solar UV, not on whether one looks directly at the Sun.

For example, a cataract is a metabolic problem in the lens of the eye, macular degeneration is a problem with oxidative stress and lack of oxygenation and hydration in the retina, and glaucoma is a circulation problem in the eye.

Studies have shown that astaxanthin can help the eyes in many ways, including reducing eye strain, helping with increasing higher accommodation amplitude (the adjustment in the lens of the eye that allows it to focus), allowing eyes to recover more quickly from eye fatigue, and reducing eye soreness, dryness, tiredness, and blurred vision.

Cataract surgery is required when a cloud forms in the lens of the eye, resulting in double and blurred vision and sensitivity to glare and light, as well as other symptoms.

Glycation leads to deleterious chemical complexes called AGEs (advanced glycation end products) that result from common but undesirable reactions between blood sugars, such as glucose, and proteins in many parts of our bodies, including the lenses of our eyes.

High blood sugar levels can pull fluid from the lens of the eye and even damage blood vessels in the retina.

Those with Diabetes type I and II have high blood sugar levels and this can cause damage to the lens of the eye and lead to cataracts.

Lutein is a powerful antioxidant that protects the macula and lens of the eye.

Damage to the lens of the eye, damage to molecules circulating around in our bloodstream, and damage to genetic material (DNA) in our cells are all examples of damage that have been shown to be prevented under certain circumstances by vitamin C.

From the ovaries to the skin, to the brain and lens of the eye, you name it.

Your heart needs collagen to beat efficiently, and the cornea and lens of your eyes are comprised partly of collagen.

Brite Eyes III also contains N - acetyl - carnosine, which has been shown to support antioxidant activity on the lens of the eye.

The lens of the eye — what we see as the pupil — starts to take on a slightly blue or milky appearance.

The lens of the eye can become cloudy.

The eyes become enlarged and the lens of the eye becomes wobbly or even falls completely out of its normal position.

-- High blood sugar levels can eventually result in the formation of cataracts, an opacity in the lens of the eye which can obstruct vision.

Cataract is an opacification (clouding) of the lens of the eye, and is not, itself, a painful condition, but can have some painful consequences such as glaucoma.