Cause of Eye Affected by STROKE
Eye stroke, known as retinal artery occlusion, is caused by a blockage of blood vessels in the retina. Blood vessels serve to bring nutrients and oxygen to all parts of the body. When the blood vessels are narrowed or blocked by blockages, the blood supply will be reduced or nonexistent. This will cause serious damage to the affected area, known as stroke.
Cause of Eye Affected by STROKE |
This condition inhibits the blood supply to the retina, the inner layer of the eye that transmits light signals to the brain so we can see the objects around us. If the vessels in the retina are blocked, the fluid from the vessels will leak into the retina so that swelling will occur. This will cause impaired vision.
What are the symptoms of eye stroke?
Symptoms that occur can occur slowly for hours or days, or it can happen suddenly. You need to note, a stroke usually occurs in one eye only. Here are some symptoms that may arise.
- Views such as dizzy, or appear white spots on the eyesight
- Pain or pressure on the eyes
- Blurred vision that continues to deteriorate in part or all of your vision
- Total loss of vision can occur slowly or suddenly
If you experience any of the above symptoms, consult your doctor immediately. Without prompt and proper treatment, a stroke in the eye can cause you permanent loss of vision (blindness).
Causes of eye stroke
Eye strokes occur because of blockage of blood flow that damages the retina. This blockage usually occurs due to constriction of blood vessels or the presence of blood clots. Unfortunately, until now not known exactly why the eye organs can be affected this condition.
Who is at risk of eye strokes?
Anyone can have a stroke in the eye, but there are factors that make you more at risk to experience it. You who are over 60 years old, have a habit of smoking, and men are more at risk of this stroke.
Some health conditions that increase the risk, namely:
- Diabetes
- Glaucoma
- Hypertension (high blood pressure)
- High cholesterol levels
- Heart disease
- Narrowing of the carotid artery or the artery of the neck
How to diagnose eye stroke?
If you experience sudden vision loss, you should immediately contact your eye doctor. Your doctor will do a thorough examination to see if you have an eye stroke. Your ophthalmologist will dilate your pupils with eye drops that allow for a more thorough retinal examination and see if there are any signs of damage.
Treatment for eye stroke
Some of the medications your ophthalmologist can give you within hours of symptoms appear, such as:
- Breathing deep (inhaling) a mixture of carbon dioxide and oxygen, this can make the retinal artery widened
- Throw some of the liquid from the eye to keep the blockage away from the retina
- Drugs or clots in blood
- Eye inject drugs such as corticosteroids or anti-vascular endothelial growth factor
- Laser therapy
- High pressure oxygen or hyperbaric
Other conditions that cause the onset of blood clots should also be treated. The sooner a treatment is given, the more chance you have of saving your vision. Some patients may look back after this stroke, although vision is often not as good as it used to be.
Preventive measures that can be done
- Control blood sugar levels if you are at risk or have diabetes.
- Treat glaucoma with medications that keep your eyeball pressure controlled.
- Make sure your blood pressure is always within normal limits.
- Check cholesterol levels regularly. If it is too high, diet and exercise can help lower before taking any medication.
- Quit smoking.
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