Tag: retina

Serotonin: Vital Brain Chemical Affects Both Mood and Cognition

Serotonin: Vital Brain Chemical Affects Both Mood and Cognition

The importance of the neurotransmitter serotonin in affecting mood has been widely acknowledged in numerous studies linking low brain levels of this key chemical with depression, anxiety, and irritability. Now, scientists are reporting another significant role the neurotransmitter plays in the brain—that of promoting memory and cognition.

Inadequate brain levels of

Many Diabetes Patients Unaware of Possible Vision Loss

Fewer than 50 percent of adults who are experiencing vision loss caused by diabetes report that they have been told by a doctor that diabetes could damage their eyesight, according to a study that appeared online Dec. 19, 2013 in JAMA Ophthalmology.

Researchers who collected data on 798 diabetes patients found

Regular Eye Exams are Key for Preventing Vision Loss from AMD

Age-related macular degeneration (AMD) is the top cause of vision loss in older adults, but you can take certain steps to protect your eyes and preserve your vision.

“AMD is a multifactorial disease related to advancing age, genetics, and environmental exposures,” says Szilárd Kiss, MD, associate professor of ophthalmology at Weill Cornell

Is it Time to Consider Cataract Surgery?

Cataracts are the leading cause of reversible vision loss as we age. According to Prevent Blindness America, more than half of all Americans have them or have had surgery for them by the time they reach 80. The condition causes vision to become progressively clouded; a process that happens so

Correct Uneven Vision and Reduce Risk of Falls and Injuries

Changes in eye prescriptions are not the only vision issue adults face as they age. A new study in Optometry and Vision Science reports that older adults show a high rate of anisometropia, or unequal vision, which can be a leading contributor to disabling falls.

In the study, researchers analyzed vision

What Is Astigmatism and Why Does it Make Your Vision Blurry?

What Is Astigmatism and Why Does it Make Your Vision Blurry?

Astigmatism, for a relatively common eye condition, is not an especially well-understood term. Simply put, it’s a condition that results when your cornea is irregularly shaped.

Because of this condition, light can’t focus on the retina in the back of the eye, making it harder for you to focus on

Eating for Eyesight: Which Foods Protect Your Eyes?

Eating for Eyesight: Which Foods Protect Your Eyes?

Can what you eat affect your eyesight? And which foods protect your eyes? Research shows that three particular carotenoids, each of them antioxidant and anti-inflammatory compounds, play a role in good vision: lutein, zeaxanthin, and astaxanthin.

Studies verify that astaxanthin protects the eyes against damage and daily wear-and-tear[1], decreases eye

The Dangers of Dehydration: Swollen Eyes and a Shrunken Brain

The Dangers of Dehydration: Swollen Eyes and a Shrunken Brain

Busy lifestyles and processed foods and beverages cause nearly all of us to become chronically deprived of water and susceptible to the dangers of dehydration.[1] Although they are not the only organs affected by lack of water, the brain and eyes are especially vulnerable to the following conditions:

Obstruction of blood

Serotonin: Vital Brain Chemical Affect Both Mood and Cognition

The importance of the neurotransmitter serotonin in affecting mood has been widely acknowledged in numerous studies linking low brain levels of this key chemical with depression, anxiety, and irritability. Now, scientists are reporting another significant role the neurotransmitter plays in the brain—that of promoting memory and cognition.

Inadequate brain levels of

Top 10 Healthy Vegetables You May Be Missing Out On

Bored with broccoli? Had it up to here with green beans and asparagus? Seen enough carrots and peas to last a lifetime? Maybe you need to branch out a little in the produce aisle.

“Some often-overlooked vegetables deserve a second glance for their nutritional benefits,” says Jeffrey B. Blumberg, PhD, Tufts

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