Blurred Vision in One Eye

Blurred Vision in One Eye

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What is Blurred Vision?

This is not so much a medical condition but more of a symptom that is letting you know that there is something not right with your eye. There are many different underlying causes that can cause this symptom. It is a loss of visual acuity in that one eye. Having blurred vision in one eye can come on suddenly, it can temporary, and it may happen occasionally. It is a symptom that should never be ignored. When a person has blurred vision in one eye it makes it difficult for them to see small details.

Symptoms

When you have blurred vision in one eye this may go along with other symptoms which can vary depending on what is causing the blurred vision. Some of these other symptoms may include:

  • Having dry eyes
  • Having excessive discharge or tearing from the eye that is blurry.
  • Having an increase sensitivity to light.
  • Having vision that is poor at nighttime.
  • The presence of a halo or glare around lights.
  • Eyes that are sore and red, known as bloodshot eyes.

Causes

When a person has blurred vision in one eye it is the result of the path between the retina and cornea gets disturbed for some reason or other. Some of the things that can cause blurred vision in one eye may include:

  • Having a mini stroke, also known as transient ischemic attack. Blurred vision is often a symptom that signifies this medical condition.
  • Glaucoma — this medical condition happens where there is a sudden build up of fluid pressure in the eyeball.
  • Being far or near sighted but it is very rare to find either of these conditions in just one eye but it does happen.
  • Cataracts — this can be a definite problem with having blurred vision, especially if you are fifty years of age or older. Most of the time when a cataract forms, it is usually found in one eye at a time.
  • Macular degeneration — this medical condition usually happens to people who are over the age of sixty.
  • Diabetic retinopathy — if a person has blurred vision in one eye and is a diabetic. Blurred vision in one eye can point to retina damage.
  • Migraine — blurred vision in one eye is a major symptom of this type of vascular headache.
  • Lasik surgery — having blurred vision after having this type of surgery does not mean that the surgery went wrong but if is common to have blurred vision for several days after the surgery.
  • Infections — when a person has an infection, it will usually weaken their immune system which may affect your vision causing blurred vision in one eye. Two infections that can cause this include optic neuritis or eye herpes. If you have a persistent couch with any infection you could burst the blood vessels at the back of your eye causing blurred vision in one eye.
  • Injuries or accidents may also cause blurred vision in one eye.
  • Medication side effects such as certain allergy medications or eye drops that have preservatives that can cause blurred vision in one eye because of the irritation of the eye.
  • Having the need for corrective lenses such as wearing contacts or eyeglasses, or a need in your eyeglasses prescription being changed

Having blurred vision in only one eye could signal a disorder in your central nervous system or your brain. It could also be from a tumor on your optic nerve. It can also be due to fatigue and using your eyes too much for reading.

Treatment

The treatment for blurred vision in one eye depends on what the underlying cause is. You do not need to run to your optometrist when it first happens but if it does not seem to be getting better after a few days or it seems to be getting worse, then you do need to see your optometrist to find out what is causing it. You can visit your optometrist so they can check the eye to see if the blurred vision is caused by a problem with one of the structures of your eye. You may be referred to an ophthalmologist. If it is found that the cause is associated with a systemic condition or disease you will probably be referred to your regular physician to see what the underlying problem is.

Once the underlying cause is found your physician or optometrist will give you a detailed treatment plan, which you will need to follow to get rid of not only the underlying problem but also the blurred vision in one eye. Following this treatment plan will help prevent complication such as:

  • Blindness or loss of vision in one or both of your eyes.
  • Having brain damage if it is a mini stroke.
  • Spreading of cancer.
  • Spreading of any infections to other parts of your body.
  • Going into a coma or becoming unconsciousness.

You should make sure that you do a follow-up visit with your physician or optometrist within six to eight weeks after starting your treatment plan. If part of your treatment plan was for new glasses or contacts, or a change in your prescription of either of them, if the problem seems to be corrected you will usually not have to have another exam for a year but if the blurred vision does not see to be better you may have to go back sooner.

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