Eye Tests May Predict Early Alzheimer’s Disease

Alzheimer's disease2016

Researchers were able to detect evidence of Alzheimer’s development in mice even before detection of plaque build-up was possible.  By using a light flashed into the eyes of mice and evaluating the patterns of reflected light they could see clear evidence of changes in the brain – changes that would naturally develop as beta amyloid plaque later developed in the brain.  The technique has not been expanded for humans yet (as of June, 2016) but is now beginning phase I trials.[1. Swati S. More, et al, Early Detection of Amyloidopathy in Alzheimer’s Mice by Hyperspectral Endoscopy, Investigative Opthalmology & Visual Science, June, 2016.]

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Diabetic Retinopathy Guide: When High Blood Sugar Damages the Eyes

diabetic risk to the eyesDiabetic retinopathy is an eye disease that is a complication of diabetes. In diabetes, levels of blood sugar are chronically elevated due to lack of insulin, an insulin  insensitivity, or a combination of both. Just as sugar combined with water outside the body forms a sticky substance, excessive sugar in the bloodstream does so as well. Sugar adheres to numerous different tissues in the body, causing problems depending on the tissue. Prolonged excessive sugar in the bloodstream tends to damage the blood vessels of the retina, the back part of the eye that sends light signals to the brain. As the blood vessels Continue reading “Diabetic Retinopathy Guide: When High Blood Sugar Damages the Eyes”

Google Contact Lens May Help Diabetes

google contact lensGoogle has announced plans to build a contact lens that can monitor blood sugar levels. The device that may come replete with miniature, flexible electronics, sensors and antennae. The lens would keep track of blood sugar levels via human tears. Google’s contact lens would be able to alert wearers when their blood sugar levels are too high or too low. For diabetics, this could theoretically free them from the need for frequent finger pricks to check blood sugar. It could also give them tools to better manage their blood sugar. Diabetes can lead to diabetic retinopathy, a serious eye disease (learn more).

While the device still Continue reading “Google Contact Lens May Help Diabetes”

Taurine Keeps Diabetics’ Eyes Healthy

DiabetesTaurine is something you will often see in reference to your cats – it’s essential to feline health.  You may not know that it is essential to your own eye health as well, especially if you are a person with diabetes.

Diabetes increases the retina’s requirements for taurine.  Uptake of taurine is increased in the retina and retinal pigment epithelium when the body is suffering from higher levels of insulin and glucose concentrations.

Also, Taurine also appears to protect the lens against the development of “sugar cataracts” because it has excellent antioxidant properties.

Good sources of taurine are fish and eggs.  You can also visit our Vision Store to find supplements that will help you boost your taurine levels.

See research on taurine and more information on this and other important amino acids.

5 Reasons to Like Ginseng

ginseng teaA traditional herb has been getting a lot of attention from researchers lately. Ginseng! It came from the Appalachians and Ozarks, where it was used by American Indians as a medicinal herb. In the 1700s, it was sold extensively to Asian traders who promoted its cultivation in China and Korea. It is now cultivated commercially in the Eastern US and upper Midwest.

Adaptogenic not Ergogentic

Ginseng is mostly adaptogenic rather than ergogenic. Two fancy words for two simple concepts. Adaptogenic means better tolerance for physical and mental stress; ergogenic means performance enhancing. Continue reading “5 Reasons to Like Ginseng”

Smokers’ Life: How Smoking Changes Your Life (Infographic)

From before birth to the end of your life, smoking has a radical, nasty effect on your life: not only your health, but your social and mental life as well.  It impacts every aspect of your life – your vision, your health, your happiness – from the time in the womb until your old age.

Vision & Smoking

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Diminished Cognitive Function in Elderly Linked to Homocysteine

older cognitive function Homocysteine is an amino acid that can be measured with a simple blood test. The study, which appeared in the Journal of Affective Disorders in August 2013, studied 358 people aged 50 and up who had symptoms of depression.

They gave the subjects cognitive tests that looked at immediate and delayed memory, as well as global cognitive performance. They measured Continue reading “Diminished Cognitive Function in Elderly Linked to Homocysteine”

Study: Statin Drug May be Tied to Cataracts

high cholesterolSubjects who took Zocor, lipitor or similar statins are more likely to get cataracts than non-statin users.[1. J. Leuschen, E.M. Mortensen, et al, Association of Statin Use with Cataracts; A Propensity Score-atched Analysis, JAMA Ophthalmology, November, 2013.]  A number of studies assessing data with different mathematical models find that the risk is increased by 27% to 34%.

Cholesterol can build up in the arteries, clogging them and causing strokes and heart attacks. A popular type of drug calls “statins” reduce cholesterol by blocking a substance that body needs to make cholesterol. Around 25% of Americans over the age of 45 take statin drugs to Continue reading “Study: Statin Drug May be Tied to Cataracts”

New Study Links Cerebrovascular Disease and Alzheimer’s

alzheimer cerebrovascular diseaseIn a new study that examined the association of cerebrovascular disease with a wide variety of neurodegenerative diseases, the strongest correlation was found to be with Alzheimer’s disease. Researchers from the Perelman School of Medicine at the University of Pennsylvania found that the link was strongest in younger Alzheimer’s patients, in whom the effects of cerebrovascular disease were most pronounced.

Cerebrovascular disease, which affects the circulation of blood in the brain, has previously Continue reading “New Study Links Cerebrovascular Disease and Alzheimer’s”