|
|
Eye floaters are imperfections in the eye that look like dark shapes. They are made of protein and other discarded cell material. Although you may perceive them as being in front of the lens, they are in fact on the inside of the eye.
The vitreous humour is the gel-like ball inside the eye. Most children and young people do not see floaters, but over time, bits of debris are discarded by the vitreous humour or retina that causes protein (connective tissue) to be released. They float around inside the vitreous humour and cast shadows, obscuring vision in certain lighting conditions.
Half of people over the age of seventy report seeing eye floaters. The problem becomes more noticeable in older people as the vitreous becomes less solid over time. Trauma and poor nutrition are thought to be possible causes of eye floaters. It is possible some children are born with eye floaters but may not notice them until they are older. Floaters can happen after cataract surgery.
Continue reading Protein in Eyes: What Are Eye Floaters Made Of?
A study indicates that melatonin supplements may slow and even reverse the effects of age-related macular degeneration (ARMD). ARMD is the leading cause of serious vision loss in elderly persons.
The symptoms of ARMD include seeing wavy lines that should be straight, blurred text, and/or dark or empty spaces in the center of the field of vision. The cells that sense light in the eye’s macula stop functioning correctly and after some time, they do not work at all. A simple visual test called the Asmler grid is an effective screening for age-related macular degeneration.
Continue reading Age-related Macular Degeneration May Be Helped with Melatonin in Research Study
A recent study showed that bipolar children spend less time making eye contact with people – looking at their eyes – versus typical children. Instead of looking at the eyes, bipolar children and children with severe mood dysregulation in the study spent less time looking at the eyes when observing faces. Instead, they spent more time with their eyes on the mouth and nose.
U.S. National Institute of Mental Health investigators suggested the eye contact habits of bipolar children as a possible explanation why these children have trouble determining how other people feel.
This study has not yet been published in a peer-reviewed journal, so it should be considered preliminary. If accepted by the psychiatric community, this eye contact research may help develop treatment plans that education bipolar children guess the emotional state of people by looking more often at the eyes. In turn, they may process emotional information more accurately, which could help them regulate their feelings when interacting with others.
Continue reading Eye Contact Avoided by Bipolar Children
A new study in the journal Free Radical Biology & Medicine compared the effects of lutein to grapes on the eyes. Grapes won out, providing more protection against oxidative damage to the retina than the nutrient lutein.
Mice were broken into two groups: on had a diet high in grapes, and the other received lutein, a plant chemical that recommended for eye health. The mice who ate grapes were less likely to go blind.
Grapes are rich in anti-oxidants, which fights free radical damage.
The study’s head author, Dr Silvia Finnemann from Fordham University, described the results as “remarkable” and wrote, “A lifelong diet enriched in natural antioxidants, such as those in grapes, appears to be directly beneficial for RPE (retinal pigment epithelium cells) and retinal health and function.”
Some diseases that result in damage to the retinal pigment epithelium (RPE) layer in the eye include Stargardt’s disease and age-related macular degeneration.
This study does not diminish lutein as an eye care supplement. A solid body of scientific research shows lutein’s benefits. Lutein also has antioxidant properties; grapes had a stronger effect in mice in this single study. Lutein is found in the macula of healthy eyes, and research shows that taking 6 mg of lutein each day reduces the risk of macular degeneration by 48%. Learn more about lutein for eye care.
Do your eyes spend more than 4 hours a day looking at the screen of an electronic device? If so, you are at risk for computer vision syndrome. Computer vision syndrome symptoms include eye strain, fatigue, dry eyes and headaches from staring at a screen too long.
To find out if you are at risk, keep a journal for a week of how long you spend watching TV, gazing at a smartphone, surfing the Internet, working on the computer, playing video games, and reading on a tablet device. The typical American youth is getting 7.5 hours of “screen time” a day – and since many adults use computers at work, they may get much more time.
Continue reading Computer Vision Syndrome: Electronics Take Their Toll on Eye Health
Increase in the delivery of a treatment for neovascular age-related macular degeneration (wet AMD) has resulted in a significant 50% reduction of new cases of blindness in Denmark, according to a study published in the American Journal of Opthamology. Age-related macular degeneration is the most common cause of blindness in the West. Specifically, AMD patients lose reading vision and their ability to drive, resulting in revocation of their drivers’ license.
Wet AMD is the most serious type of macular degeneration. Abnormal blood vessels start to grow in the eye, toward the yellow spot in the middle of the retina called the macular. The macular provides the most visual acuity, as well as perception of color. Wet AMD results in quick and severe loss of vision.
Continue reading Incidence of Blindness Drops in Denmark Due to Treatment of Wet AMD
Patients taking statin drugs to lower cholesterol might be more likely to get muscle injuries, especially elderly patients.(1) Side effects and adverse reactions, according to other research, may include increased stroke risk, higher risk of Type II Diabetes, low iron, pancreatic dysfunction, sexual dysfunction, suppressed immune system, muscle pain, and more.
Be aware that increased incidence of cataracts may also be linked with statin drugs. A study(2) suggests that statin drugs are associated with an increased risk of cataracts in both men and women. In the study, cataracts risk went up within 12 months of starting statin drugs, continued while taking the drug, and dropped back to normal Continue reading Statin Drugs and Muscle Injuries
When you are in your 30′s, your skeletal muscle mass will peak. After that, they will reduce slightly in number and size every year. By the time you are in your 50′s, 15% of muscle mass may be lost, and by your 80′s, as much as 30% of muscle mass may be lost.
Obviously, strength training is crucial to strengthen your muscles and increase their size. Being strong and fit helps maintain good health and energy, reduces osteoporosis and cardiovascular disease, burns calories for weight management, improves sleep, cuts cancer risk, and much more!
Everyone should make exercise a priority throughout their lives. However, up to 75% of older Americans do not get enough exercise.(1)
It is generally recommended that older adults should do strength training two or three times per week, performing 10-15 repetitions of approximately 8 to 10 different exercises.(1)
Recent research Continue reading Strengthen Your Muscles from Your Eyes to Your Toes
Did you over-indulge in too many high-calorie foods over the holidays? Put on a few extra pounds? Two-thirds of American adults are overweight or obese, and a few extra pounds add up to health risks. However, drinking green tea may help fight body fat and also lower cholesterol levels.
Green tea is lower in caffeine than coffee, so it makes a great coffee substitute. A high intake of caffeine can cause nervousness, dependence, and sleep problems.
A recent, small study on green tea in Japan showed that taking green tea extract was associated with losing body fat and weight. The more green tea extract the study participants took, the bigger the effect. The subjects also had lower LDL cholesterol and lower blood pressure (to counteract hypertension). Continue reading Drink Green Tea to Reduce Body Fat
While everyone, regardless of gender, must take care of their eye health, women have more eye disease, blindness and vision problems than men. A major study in 2001 shows that around the world, eye disease is more common in women.
Topping the list for women vs. men is dry eye syndrome, autoimmune diseases, and certain forms of cataract. Women tend to live longer in industrialized nations, so age-related eye problems are more common for them, including cataracts and macular degeneration.
Third world countries have 4/5th of the blind and visually impaired people in the world. Infectious diseases, like trachoma, are more common in women in third world countries. If women have less access to medical care than others, any eye condition will likely be more serious before they seek treatment. Continue reading Eye Disease More Common in Women
|
|