
frustrating than seeing their vision deteriorate to a point where even the simplest tasks require a pair of reading glasses, contact lenses, or some other visual enhancement aid. Unfortunately some loss of visual clarity and range is a near certainty due to the natural aging process. There are also other factors that can reduce one’s ability to see clearly including, but not limited to, spending too many hours focusing on a computer screen, long hours of video game playing, exposure to the elements (sun,wind, dust), or even watching too much television.
causing blurred vision for an undetermined period of time after the instigating event has ceased. This in turn makes it challenging to focus on anything in the distance and/or up close until the eyes have a change to rest and rejuvenate. I feel quite sure many of you who sit in front of a computer screen for multiple hours each day have experienced this result first hand as you struggle to read signs and react to stop and go traffic as you make your way home from work as daylight disappears. What is Vision? According to the American Medical Association vision is the ability to perceive the visual features of objects, such as color, shape, size, detail, depth, and contrast with vision occurring as the eyes and brain work together. The Intricate Workings of Vision
eye), which, along with the lens, focuses it on the retina (the light sensitive layer at the back of the eye). The retina contains nerve cells known as rods and cones that respond to different aspects of light. Cones perceive color and are sensitive to detail. Rods are insensitive to color, but very responsive to dim light and movement. Since the retina has many more rods than cones, the eye can see even in darkness, but it distinguishes detail and color best in bright light.
directly into the brain and follows a pathway leading to the visual cortex in the back of the brain. The visual cortex interprets the incoming visual information.
with the task of putting it right-side up once again. It also joins the images of both eyes to provide depth perception and binocular vision. Can Diabetes Impact Eyesight? There are many different disease and conditions that can have a negative impact on eyesight with diabetes (blood pressure is another) perhaps being the worst. The medical term for diabetes linked vision loss is diabetic retinopathy, and while it is not a common household name it is the leading cause of blindness among adults in America. Diabetic retinopathy damages the retina of the eye. This damage is caused by changes in the tiny blood vessels that supply blood to the retina. In the early stages the retinal vessels weaken and develop bulges that may leak blood or fluid into the surrounding tissue. While a lot is going on behind the scenes during the early stages of diabetic retinopathy vision is rarely affected. Later on, however, things may take a turn for the worst when fragile new blood vessels begin to grow on the retina and into the vitreous humor (the jelly substance in the back of the eye). These abnormal vessels are prone to rupture and bleed resulting in blurred vision or temporary blindness. Additionally, diabetes can increase the risk for glaucoma and cataracts. Seven Tips for Keeping Your Eyesight Sharp for Years to Come While Improving Focusing Ability *Use eyesight aids such as glasses sparingly, and always for their intended purpose. For example, if you are near sighted don’t wear your glasses for help with distance; and vice versa. Wearing visual aids such as glasses for reasons they weren’t intended can damaging the eyes, and are a major obstacle for achieving long term visual health. *If you are chained to your computer for hours on end look away for 60 seconds or so every hour making a special effort to focus on an object or objects off in the distance. This simple exercise will not only help your eyes stay agile and healthy but might avoid that unforeseen eye strain headache which occurs from time to time.
then pull it away from the face. This helps your eyes focus on near and far distances in a matter of seconds/minutes, thereby improving your focusing ability. Repeating this exercise about 25 times twice a day should help keep your eyes functioning at their best. *Another daily eye exercise often suggested by ophthalmologists is to nod your head up and down while staring at the ceiling, allowing the eyes to follow the course of the ceiling to the wall and eventually down to your toes. This exercise helps increase the blood circulation to your head and eyes by strengthening the muscle in the neck. *Be conscious of eyesight deterioration or blurring after eating certain foods. One of the most common examples of this occurs when foods falling under the general category of simple carbohydrates/simple sugars are ingested on an empty stomach. These foods enter the bloodstream rapidly and spike blood glucose levels. If your body can’t manage the flood of glucose blurring vision along with loss of mental clarity are often two of the signs and symptoms. This could be an early warning sign of diabetes and should be discussed with your doctor. *Getting fishy might be a good preventative idea. If you have macular degeneration , or have a family history of eye conditions such as this, then upping the amount of cold water fatty fish in your diet could be worth considering. A questionnaire administered to more than 3,000 people over the age of 49 found that those who consumed more fish in their diet were less likely to have macular degeneration than those who consumed less fish. Similarly, a clinical study comparing 350 people with macular degeneration to 500 without the eye disease found that those with a healthy dietary balance of omega-3 and omega-6 fatty acids, along with a higher intake of fish in their diets, were less likely to have macular degeneration. *Considering an eye health supplements containing the herb bilberry is another helpful idea worth considering, for both long and short term eye health. Bilberries, commonly referred to a huckleberries in the United States, are well known for their ability to protect and enhance vision. Using standardized 160mg of bilberry extract daily has been shown to dramatically increases both daytime and nighttime vision. Herbal and Homeopathic Remedies for Visual Health |
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