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Orthostatic hypotension refers to a reduction of blood pressure (systolic blood pressure that occurs when the heart contracts) of at lest 20 mmHg or a diastolic pressure (pressure when the heart muscle relaxes) of at least 10 mmHg within three min...
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Orthostatic hypotension is an abnormal decrease in blood pressure when a person stands up. This may lead to fainting .
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Confusion is the inability to think with your usual speed or clarity, including feeling disoriented and having difficulty paying attention, remembering, and making decisions.
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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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Feeling lightheaded is a sensation that may precede syncope or fainting. It is usually
experienced when in an upright position (standing or sitting). If
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Dizziness is a general term that describes sensations of imbalance and unsteadiness, such as vertigo, mild turning, imbalance, and near fainting or fainting. Feelings of dizziness stem from the vestibular system, which includes the brain and the parts of the inner ear that sense position and motion, coupled with sensory information from the eyes, skin, and muscle tension.
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When the brain receives conflicting signals, or when there is a problem with blood flow, dizziness or fainting can occur.
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Low blood pressure, or hypotension, occurs when blood pressure during and after each heart beat is much lower than usual. This means the heart, brain, and other parts of the body do not get enough blood. Dizziness or lightheadedness can result. See also: Blood pressure
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Hypotension is the medical term for low blood pressure. The pressure of the blood in the arteries rises and falls as the heart and muscles handle demands of daily living, such as exercise , sleep and stress .
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Doctors often consider chronically low blood pressure too low only if it drops suddenly or causes noticeable symptoms.
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While recommended healthy blood pressure levels have decreased, lowering diastolic pressure too much could deprive the heart of needed blood flow, which could be dangerous for people with coronary artery disease.
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Preliminary studies show that a promising new drug may treat the symptoms of low blood pressure.
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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 acuity, reduced visual field, and partial or total loss of vision as in papilledema, a swelling of the optic disc, or in blindness.
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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 to function at certain or all tasks.
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What Is Low Vision?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.
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Detailed information on problems with vision in children
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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
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Treatment for Low VisionUsing vision aids can help you do the things you need and want to do. There are many kinds of vision aids.
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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
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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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