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Sudden blurring or loss of vision in all or part of one eye.
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Blindness is a lack of vision. It may also refer to a loss of vision that cannot be corrected with glasses or contact lenses. Partial blindness means you have very limited vision; Complete blindness means you cannot see anything and do not see lig...
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On a few separate occasions, I have lost vision in one eye -- it goes totally gray for about 30 seconds, then vision returns. What could be causing this?
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What percentage of your eyesight has to be lost for you to be considered legally blind in either eye?
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Visual disturbances are abnormalities of sight. Visual disturbances associated with neurological disorders often include double vision (diplopia), moving or blurred vision due to nystagmus (involuntary rapid movements of the eyes), reduced visual ...
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Total blindness is the inability to tell light from dark, or the total inability to see. Visual impairment or low vision is a severe reduction in vision that can't be corrected with standard glasses or contact lenses and reduces a person's ability...
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When you have low vision, you need more than glasses or contact lenses to see well enough to get around and do day-to-day tasks. Your central or side vision, or both, may be reduced.
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Detailed information on problems with vision in children Eye disorders that affect vision can be divided into two groups, including the following:
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If you have low-vision symptoms, talk to your eye-care professional, who can help you find resources and visual devices to make the most of your remaining vision.
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Detailed information on problems with vision in children There are many problems that can affect your child's vision that require clinical care by a physician or other healthcare professional. Listed in the directory below are some, for which we have provided a brief overview.
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Using vision aids can help you do the things you need and want to do. There are many kinds of vision aids. Low-vision centers and some doctors sell these aids. They also train you to use your aids. And they will talk with you about proper lighting.
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The number of people losing their vision is growing, yet experts say much of this vision loss could be prevented.
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Detailed information on correcting or improving vision problems With today's advanced technology, there are many different approaches now available to help correct or improve a variety of vision problems. Listed below are some, for which we have provided a brief overview.
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Have you noticed the sudden onset of any of these symptoms: vision loss, seeing double, the feeling of a shade over the eye, lights are surrounded by halos, or light sensitivity?
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Reports of a rare eye condition developing in men after use of Viagra are a reminder that erectile dysfunction medications should be used with the same caution given to other prescription drugs.
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Hazy vision, cloudy vision, blurred vision are all problems with seeing clearly. Any change in your normal vision is cause for concern and is a good reason to call a doctor for an examination.
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Hypertension is the term used to describe high blood pressure. Blood pressure readings are measured in millimeters of mercury (mmHg) and usually given as two numbers. For example, 120 over 80 (written as 120/80 mmHg. The top number is your systoli...
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Blood pressure is the force with which blood pushes against the artery walls as it travels through the body. Like air in a balloon, blood fills arteries to a certain capacity—and just as too much air pressure can cause damage to a balloon, too muc...
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Detailed information on high blood pressure, also called hypertension, including symptoms, diagnostic, and treatment information
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Also known as high blood pressure, a condition in which too much force is exerted by the blood as it travels through the body's arteries. There are two types of hypertension: primary and secondary. Primary, or essential, hypertension is caused by ...
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Detailed information on high blood pressure, also called hypertension, including symptoms, diagnostic, and treatment information
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This report explains what your blood pressure numbers mean and how hypertension can be prevented and treated by making diet and lifestyle changes. Also includes information on medications.
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High blood pressure is a sneaky ailment. The condition has no symptoms that you can see or feel. Having your blood pressure checked is the only way to know if it is high.
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Each day that your blood pressure is too high, your chances of having a stroke are increased.
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Knowing the definitions of terms your doctor may use when talking with you about your blood pressure is important.
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Detailed information on high blood pressure, also called hypertension, including symptoms, diagnostic, and treatment information
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Hypertension is the medical term for high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries as it flows through them. Arteries are the blood vessels that carry oxygenated blood from the heart to the body's ...
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Prehypertension is a new term that alerts people to the risk of developing chronic high blood pressure if they don't take timely steps to improve their lifestyle habits.
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High blood pressure has joined type 2 diabetes and high cholesterol on a list of ailments that once struck only adults but now afflict children.
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When I get up in the morning, my systolic blood pressure is 30 to 50 points higher than it is later in the day (about 110). I am taking three different blood pressure medications. Is this unusual?
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High blood pressure is more common among African Americans than other ethnic groups. Nearly 40 percent of non-Hispanic blacks have hypertension.
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The National High Blood Pressure Education Program (NHBPEP) was established in 1972 by the National Institute of Health to translate research results on the health hazards of high blood pressure into clinical and public health practice. Before 190...
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While people with high blood pressure are typically told to abstain from alcohol, a study suggests that moderate alcohol consumption may help prevent them from having a heart attack.
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A Harvard Medical School doctor discusses possible causes of low blood pressure.
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Did you know you can purchase your own blood pressure monitor and check the reading yourself at home?
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Is it absolutely necessary for a diabetic who does not have high blood pressure to take a blood pressure pill anyway?
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Detailed information on high blood pressure, also called hypertension, including symptoms, diagnostic, and treatment information
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High blood pressure (hypertension) is called the silent killer. This is because many people who have it don't know it. You can take an easy test to see if your blood pressure is too high. If it is high, you can take steps to lower it. Doing so could save your life.
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Risk factors are things that make you more likely to have a disease or condition. Do you know your risk factors for high blood pressure?
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A healthy blood pressure level can reduce your risk for many serious diseases and increase your longevity.
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High blood pressure, or hypertension, is the most common chronic adult illness in the United States. There is no cure for high blood pressure, but it can be controlled.
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The FDA has approved a new blood pressure drug that works by inhibiting hte production of renin, a substance made by the kidneys that is the first step in the body's system of regulating blood pressure.
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What causes high blood pressure in a 4-year-old?
Claire McCarthy, M.D., is a senior medical editor for Harvard Health Publications. She is an instructor in pediatrics at Harvard Medical School, an attending physician at Children's Hospital of Boston, and co-director of the pediatrics department at Martha Eliot Health Center, a neighborhood health service of Children's Hospital. The author of two books, "Learning How the Heart Beats" and "Everyone's Children", Dr. McCarthy was a regular columnist for "Sesame Street Parents Magazine" from 1995 to 1998 and is currently a contributing editor for "Parenting Magazine".
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For those living with high blood pressure, lifestyle changes such as eating a healthier diet, exercising regularly, and losing weight will likely have a positive effect not just on blood pressure, but on overall health.
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In most cases, high blood pressure responds to treatment, but the success of the treatment is up to you.
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Hypertension, or high blood pressure, isn't limited to those 18 and older.Hypertension, or high blood pressure, affects almost one in three adults in the United States. But this serious health condition isn't limited to those ages 18 and older, according to the National Heart, Lung, and Blood Institute (NHLBI).
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Prehypertension is a new term that alerts people to the very real risk of developing chronic high blood pressure if they don't take timely steps to improve their lifestyle habits.
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Even if your blood pressure is normal or high-normal, you're still at increased risk for hypertension (high blood pressure), the condition in which your heart works too hard and the resulting forceful blood flow harms arteries.
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The number of Americans with high blood pressure has risen steadily since the 1960s, and now tops 65 million.
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If you have high blood pressure, you need to know, so you can control it. If you don't, you increase your risk for serious illness.
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High blood pressure can contribute to sexual problems, as can some treatments for it.
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Is it possible for a blockage in the kidneys to cause high blood pressure? What type of blockage would there be in a kidney?
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Hypertension is high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries. Arteries are the blood vessels that carry oxygenated blood from the heart to the body's tissues.
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Isolated systolic hypertension, when the systolic blood pressure is above 140 while the diastolic pressure is below 90, is caused by stiffening of large arteries. Medication may be prescribed, but lifestyle changes will have more impact on overall health.
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A study reports that if the vertebra that supports the skull is misaligned, careful manipulation of it may result in a significant drop in blood pressure.
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Hypertension is high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries as it flows through them. Arteries are the blood vessels that carry oxygenated blood from the heart to the body's tissues.
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The category of prehypertension was established to serve as a warning. Those whose blood pressure reading falls in it should work to lower their pressure through diet, exercise, and weight control, though in some cases medication may be prescribed.
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An old theory about the connection between headache and high blood pressure makes a comeback.
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Hypertension is high blood pressure . Blood pressure is the force of blood pushing against the walls of arteries as it flows through them.
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If your blood pressure has been very good for most of your life and then suddenly rises to a dangerous level, could there be an infection or some other medical condition that caused the sudden jump?
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The floating specks you sometimes see in front of your eyes are not on the surface of your eyes, but inside them. These floaters are bits of cellular debris that come and go without treatment. To some people, these "floaters" look like spots. To o...
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Have you ever seen flashes of light, stars, or streaks that aren't really there? A few of these flashes are seen by everyone from time to time. Usually you see them in one eye at a time. Flashes are often caused by the vitreous (the gel filling the inside of your eye) pulling on the retina (a membrane that lines the inside of your eye). Floaters look like dark specks, clouds, threads, or spider webs moving through your vision. Most people see them once in a while. Floaters may be pieces of gel or other material floating inside your eye. They are usually harmless.
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Most often, seeing a few flashes and floaters is normal. Also, some people may notice them for a while after eye surgery. Most flashes and floaters require no treatment. But sometimes they can be signs of a serious eye problem.
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