Wednesday, April 17, 2024

Blurred Vision With High Blood Pressure

How Do You Know If Your Baby Is Ok In The Womb

High blood pressure in pregnancy can lead to pre-eclampsia condition

The heart of the baby starts to beat around the fifth week of pregnancy. To confirm the heartbeat of your baby, the doctor may conduct a non-stress test. The test monitors the heart rate of the baby and provides information about the potential threat, if any. A healthy heartbeat is between 110 to 160 per minute.

Hypertension Causes Treatment And Complications

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Hypertension is the condition in which force of the blood pushing against artery vessel walls is too high. It is measured in millimeters of mercury . Hypertension or high blood pressure means the pressure in arteries is consistently above normal 140/90 mmHg, or high than it should be resulting in excessive pressure on the walls of the arteries. Hypotension is an abnormally low blood pressure, which may be caused by emotional or traumatic shock hemorrhage and chronic wasting disease. Persistent reading of 90/60 mmHg or lower usually is considered hypotension orthostatic hypotension can cause patients to experience vertigo or syncope.

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Hypertension is the common life-threatening disease among American. It is estimated that one in four American has high blood pressure. The incidence of hypertension in the United States has increased as a result of an aging population and the increased incidence of obesity. Nearly half of the American Population over age 20 has hypertension, and many do not even know it. Not treating high blood pressure is dangerous. Hypertension increases the risk of heart attack and stroke.


Ethnicity: Research has shown that Black or African American have high risks or develop high blood pressure than white American.

Signs and symptoms


Hypertension stages

Can Hypertensive Retinopathy Be Prevented

To prevent hypertensive retinopathy, keep your blood pressure under control by reaching and maintaining your optimal weight, sticking with a diet recommended by your physician, exercising regularly, and faithfully taking your high blood pressure medications as prescribed. In addition, see your doctor on a regular basis for follow-up care.

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Could It Be Multiple Sclerosis

Blurry vision is often one of the earliest symptoms of multiple sclerosis . The disease causes inflammation along the nerve that connects your eyes to your brain, called the optic nerve. That causes a condition called optic neuritis, which can give you blurry sight, loss of color vision, and pain when you move your eyes. It often happens in just one eye.

Besides blurry vision, MS also causes:

  • Trouble with balance

If your doctor thinks you might have a brain tumor, they’ll use different tests to check how well your brain and spinal cord work, as well as imaging tests to see inside your head. Learn more about the different types of brain tumors.

Complications Of High Blood Pressure

Blurred Vision And Heart Problems

Untreated hypertension causes serious complications, including organ damage. Less commonly, a condition called hypertensive emergency, which may also be called hypertensive crisis or malignant hypertension, can occur.

Hypertensive Emergency

A hypertensive emergency, unlike the similar sounding hypertensive urgency, is characterized by serious, life-threatening complications.

Signs and symptoms can include:

  • Shortness of breath

A hypertensive emergency means that the systolic blood pressure is greater than 180 mmHg or the diastolic pressure is > 120 mmHg, and that end-organ damage is occurring.

Aneurysm Rupture

An aneurysm, which is a bulge in the wall of an artery, can form due to a number of causes. Aneurysms can occur in the aorta, brain, and kidneys. Hypertension contributes to aneurysm formation, and sudden elevations of blood pressure can increase the risk of an aneurysm rupturea serious event that can be fatal.

Vascular Disease

Hypertension increases the risk of vascular disease, characterized by atherosclerosis and narrowing of the arteries. Vascular disease can involve the blood vessels in the legs, heart, brain, kidneys, and eyes, causing a range of disabling or life-threatening symptoms.

Heart Disease

Hypertension contributes to the development and worsening of coronary artery disease, cardiac arrhythmias, and heart failure.

Kidney Failure

Respiratory Disease

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How Changes In The Veins Impact Blood Pressure

One common cause of high blood pressure is fat or oil buildup in the arteries due to excessive sugar and fat consumption. Its simple really: if the insides of your veins have a physical blockage, the pressure of the system can change. By how much can be a lot more complicated. But even very small veins in the back of your eyes can be affected by overall blood pressure.

To combat the effects of high blood pressure, doctors often prescribe hypertension medication.

Conditions Related To Blurred Vision

The cone cells on the macula become damaged, leading to loss of central vision. There are two main types: dry AMD, which progresses slowly but is untreatable, and wet AMD, which progresses more rapidly but is treatable, especially if spotted early.

Cardiovascular disease

Blurred vision that occurs with double vision can be a sign of a health emergency, such as a brain haemorrhage or stroke.

A cataract is the gradual clouding of your lens, which is a transparent disc behind your iris . Its common in people over 65, though it can happen earlier. Besides blurred vision, symptoms include sensitivity to light and a dulling effect on colours. Luckily, its easily treated with cataract surgery.


Over time, diabetes can lead to a condition called retinopathy, when the tiny blood vessels at the back of your eye become blocked and leak. This damages your retina, which is essential for vision and can lead to sight loss. However, it can be prevented if detected early through regular screening.

There are four types of glaucoma, which can lead to a build-up of pressure in your eye, damaging the optic nerve. This can permanently damage your sight, especially your peripheral vision, but once its detected, sight loss can usually be prevented.

Multiple sclerosis

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What To Do To Reduce The Impact Of High Blood Pressure On Your Eyes

If you have high blood pressure, your GP might recommend that you take antihypertensive medications to bring your blood pressure numbers down. There are also a number of lifestyle changes you can try that can lower your blood pressure and reduce the risk of health problems, including heart disease and eye complications. These may help you avoid, delay, or reduce the need for antihypertensive therapy:13

Maintain a healthy BMI

Get regular exercise, at least 30 minutes most days of the week

Eat a healthy diet with fruits, vegetables, whole grains, and low-fat dairy

Reduce salt intake

Limit alcohol consumption to moderate amounts

Quit smoking

Cut back on caffeine

Reduce mental stress

It can also be useful to monitor your blood pressure at home and see your doctor periodically for health checks. Ultimately, a proactive approach to blood pressure management can help prevent many of the eye complications of hypertension, such as glaucoma. If you think your blood pressure may be high, its important to seek advice from your GP.

If youve been having any problems with your eyesight, book an appointment at your local Specsavers.

For more information on glaucoma causes, you can find it in our dedicated glaucoma causes resource.


Andy BrittonBSc MCOptom Prof Cert Glauc Dip TP

Andy graduated from Aston University in 1996 and has practiced in all areas, including university and hospital clinics. He has a strong Read more

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What Is Hypertensive Retinopathy

Low Blood Pressure or Hypotension, Causes, Signs and Symptoms, Diagnosis and Treatment.

The retina is the tissue layer located in the back of your eye. This layer transforms light into nerve signals that are then sent to the brain for interpretation.

When your blood pressure is too high, the retinas blood vessel walls may thicken. This may cause your blood vessels to become narrow, which then restricts blood from reaching the retina. In some cases, the retina becomes swollen.

Over time, high blood pressure can cause damage to the retinas blood vessels, limit the retinas function, and put pressure on the optic nerve, causing vision problems. This condition is called hypertensive retinopathy .

You probably wont have any symptoms until the condition has progressed extensively. Possible signs and symptoms include:

  • bursting of a blood vessel
  • double vision accompanied by headaches

Get medical help immediately if your blood pressure is high and you suddenly have changes in your vision.

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Precautions For Reducing The Risk Of Diabetic Retinopathy

Reduce the risk of developing diabetic retinopathy, or you can also help stop this condition from getting worse, by maintaining the blood sugar levels, blood pressure and cholesterol levels at optimal levels. In order to avoid Diabetic Retinopathy make the choice of a healthy lifestyle like eating balanced meals, regular exercise, avoiding smoking etc.

Do not miss your regular eye-examinations as many eye complications can be detected early through such screening and vision loss can be prevented. With treatment diabetic retinopathy can be reversed to an extent. But the best thing is to prevent it with early diagnosis.

You Get Ocular Migraines

An ocular migraine is typically caused by spasms of the blood vessels that feed the part of the brain responsible for processing vision, Vicente Diaz MD, MBA, an assistant professor of ophthalmology and visual science and chief of ophthalmology at the Yale School of Medicine in New Haven, Conn., told Health.

“Symptoms include flashing lights, blind spots, and seeing patterns often with many jagged edges and corners,” explained Dr. Diaz.

According to the American Optometric Association , an ocular migraine can occur with or without a headache and typically will last under an hour.

Dr. Diaz added that the term “ocular migraine” could also refer to a retinal migraine, a rare condition that causes loss of vision in one eye only and can indicate problems with retinal blood flow.

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Eye Changes When You Come Down With Diabetes

Changes in vision may happen at the time that diabetes is first diagnosed or at any time that blood sugar control is poor. Fluctuating blood sugars cause the lens to swell and shrink, and result in fluctuating vision. Many times, people who have borderline diabetes finally decide to take their diabetes seriously when their vision becomes blurred.

Sometimes, people coming down with diabetes marvel that they no longer need their glasses to see in the distance. But as insulin or other therapy is begun and the blood sugar drops, the abnormal swelling diminishes. In the short-term vision becomes blurred and is not corrected by their prescription lenses. Either of these scenarios can be frightening to people who have heard of the severe eye damage that goes along with diabetes.

Blurred vision in both eyes when insulin or other treatment begins is almost never caused by damage to the eye. Rather, it results from the speed at which the swelling, due to high blood sugars in the previous weeks and months, dissipates from the lens. Vision is usually out of sync for 3 to 4 weeks, sometimes with an accompanying headache.

You Need Reading Glasses

Blurred Vision And Ringing In Ears

Presbyopia is also a refractive error, but it strikes most people after age 45. It means you have trouble focusing on things close up, like reading material.

So, if you find you need to hold magazines, books, and menus farther away from your face to read them, presbyopia could be causing your blurry vision.

As with other refractive errors, eyeglasses, contact lenses, and surgery can help you see better if you develop presbyopia. Dr. Shah explained that if you aren’t farsighted or nearsighted and don’t have astigmatism, reading glasses from the drugstore may be enough.

However, you should still see a healthcare provider to screen for any potential eye disease.

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What Are The Symptoms Of Eye Damage Due To Hypertension

The eye damage due to hypertension is gradual, and in many cases, it is painless. Hence, individuals may not seek treatment immediately. It is prudent to be vigilant. The following are warning signs of eye disease in individuals with hypertension:

  • A gradual diminishing of vision
  • Sudden vision loss in one or both eyes
  • Seeing double images

What Can You Do To Protect Your Vision And Your Whole Self In Case Of High Blood Pressure

Early intervention is critical, and routine eye exams are part of that. If you start treating high blood pressure early with a combination of good nutrition, regular exercise, and medication prescribed by your doctor, it improves your entire outlook, limiting the damage to the blood vessels that can cause vision problems.

Are you concerned about the impact of high blood pressure on your vision, or are you experiencing vision problems? Contact us to schedule an eye exam today.

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High Blood Pressure And Vision Disturbance

Any change to your vision could be an indication of hypertensive retinopathy. Increased pressure in the eyes can damage the blood vessels and surrounding tissues over time, leading to various vision changes, including blurring, eye floaters and seeing double.

If you experience any symptoms of hypertensive retinopathy, your doctor may decide to carry out an eye exam called a fundoscopy.

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When To Go To The Hospital

What are some of the symptoms of high blood pressure?

A hypertensive emergency requires immediate emergency medical care. The symptoms of a hypertensive emergency include:

  • Severe headaches
  • Weakness, numbness, tingling in the arms, legs, or face on one of both sides
  • Trouble speaking or understanding words
  • Confusion or behavioral changes

Do not attempt to lower extremely elevated blood pressure in yourself or someone else. While the goal is to reduce blood pressure before additional complications develop, blood pressure should be reduced over the course of hours to days, depending on severity.

It is important not to lower blood pressure too quickly, because rapid blood pressure reductions can cut off the supply of blood to the brain, leading to brain damage or death.

Hypertension Doctor Discussion Guide

Get our printable guide for your next healthcare provider’s appointment to help you ask the right questions.

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Is Blurry Vision Permanent Or Temporary

Blurry vision can result from both short- and long-term complications of diabetes.

Short-term blurriness due to high or low blood sugar levels will usually resolve when blood sugar levels return to 70130 milligrams per deciliter .

Conditions that result from persistently high blood sugar levels, such as diabetic retinopathy, are progressive diseases and tend to worsen with time.

Other long-term complications that are more common in people with diabetes are:

  • macular degeneration

It may not be possible to reverse the damage resulting from these conditions, but managing glucose levels and following a treatment plan can help slow their progression.

There are many possible causes of blurry vision, but it can be an early sign of diabetes.

A person should see an eye doctor if:

  • they have diabetes and have not had a vision test within
  • they notice unexplained vision changes
  • they have a diagnosis of diabetes and notice vision changes
  • vision changes happen suddenly or get worse

Eye problems can stem from new cases of diabetes or a complication of an existing condition.

Blood Pressure And Glaucoma

University of California, San Francisco, UCSF Medical Center

The relationship between blood pressure and glaucoma risk is complicated. Learn why both high and low blood pressure may increase the risk for this eye disease.

As with many aspects of our health, moderation is key with regard to blood pressure levels and risk of glaucoma. Very high blood pressure is not good for glaucoma because it may raise eye pressure however, moderate to very low blood pressure is also a problem because it is important for the optic nerve to receive enough blood flow.

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High Blood Pressure & Diabetes

Theres a term in the medical community called comorbidity, where two diseases often appear at the same time in the same patients. High blood pressure and diabetes are two conditions that appear to be comorbid. Its unknown why, but they have a relationship. Furthermore, they seem to have the same causes:

  • A diet high in fat and sodium
  • Chronic inflammation

High blood pressure in tandem with diabetes can affect the eyes significantly. The retina has significantly more veins running through it than clearer parts of the eye, so blood pressure begins to change this critical and delicate vision component.

High blood pressures effects are much more pronounced with diabetes than without, which can lead to diabetic retinopathy and macular edema. Early detection becomes especially important.

Seeing Spots: Common Questions & Answers

Blood Pressure And Blurred Vision

Here are answers to some of the most frequently asked questions about what happens when spots occur in your line of vision:

When should I worry about eye floaters?

Most floaters and occasional flashes are not cause for concern. They may happen from time to time in both eyes or in the same eye.

But if you are noticing that you are seeing a lot more floaters than before or you are experiencing floaters and flashes with other vision problems, you should consult a doctor.

For example, if you start seeing spots after an eye or head injury from contact sports, you should also talk to a doctor.

Is seeing black spots a sign of diabetes?

These spots could be a sign of vitreous hemorrhage, which is a complication of diabetic retinopathy.

Can low blood pressure cause you to see spots?

Yes, low blood pressure can cause you to see spots.

Can high blood pressure cause you to see spots?

Yes, high blood pressure can cause you to see spots. High blood pressure can damage the light-sensitive tissue in your retina, which can lead to bleeding in your eye.4 Bleeding can cause you to see spots. It can also lead to a loss of vision.

Why am I dizzy and seeing spots?

You may be dizzy and see spots for several reasons. This may be because of an eye or head trauma, because you have low blood pressure, or for another reason. If you are seeing spots, call for medical help immediately.

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