Blurred vision

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Blurred vision may be an indication of an eye disease. This may affect one eye (unilateral blurred vision) or both eyes (bilateral blurred vision). Even if there is seldom or often, the condition should not remain untreated.

If the vision is unclear, you will be unable to see fine detail and lack of clarity could be frustrating. Any type of vision loss (blindness, double vision, blurred vision) could mean different things, ranging from migraines to glaucoma, leading possibly to blindness.

Vision may be blurred at all distances. If you experience blurred vision, regardless of age, you should see your doctor for a routine check, because it could be a warning sign of a more serious problem.


1. Overview
2. Symptoms
3. Causes
4. Blurred vision relief


Blurred vision may be accompanied by various symptoms that vary with the condition, disease or disorder that underlie it. It is possible that problems are present in the eye or it could be symptoms affecting other body systems such as the neuromuscular system and the immune system. For example, blurred vision caused by an autoimmune disease may be accompanied by pain and stiffness.

Blurred vision due to refractive errors (nearsightedness, for example) may present with minor head pain. Blurred vision may occur associated with various symptoms affecting the eyes, namely:

- bleeding eye
- leakage in the eye
- dry eye
- eye pain
- high sensitivity to light
- itching of the eyes
- peripheral or central vision loss
- sighted near
- poor vision at night
- eyes injected
- presence of floaters or spots in your vision

Blurred vision may be due to dysfunction of other systems of the body, with symptoms such as:

- abdominal pain
- butterfly-shaped rash over the nose and cheeks
- depression
- drooping eyelids
- fatigue
- fever
- gradual difficulty speaking and walking, memory loss, numbness or weakness of the extremities
- headache
- hypertension
- difficulty concentrating
- unexplained weight loss

In some cases blurred vision may occur associated with other symptoms, which could indicate a serious or life-threatening situation, which should be evaluated in a medical emergency:

- blurred vision after a head injury
- unclear speech
- delirium, fainting, changing the level of consciousness
- confusion, delirium, lethargy, hallucinations
- dizziness
- high fever
- memory loss
- numbness or paralysis on one side of the body
- view of halos around sources of light, blind spots in your vision or distorted view
- seizures
- pain exacerbated by head
- loss of vision, sudden change of visual acuity, eye pain
- weakness


Blurred vision can be caused by various disorders, both serious and light. This can be caused both by eye problems, and neurological disorders or autoimmune diseases. Many of the causes of blurred vision are very serious conditions.

Blurring of vision may be triggered by several types of view commonly found such as:

- astigmatism
- dry eye
- presbyopia
- myopia
- wrong prescription of dioptric or contact lenses
- eye irritation

There are several types of disorders, diseases and conditions that may cause blurred vision, including:

- conjunctivitis
- corneal ulcer
- glaucoma
- cataract
- eye inflammation or infection
- macular degeneration
- optic neuritis
- occlusion of retinal vessels
- retinoblastoma
- lens osmosis
- irritated and uveitis

Some autoimmune diseases have symptoms that include blurred vision:

- systemic lupus erythematosus
- myasthenia gravis
- sclerosis

Other diseases, conditions and disorders that cause blurred vision include:

- strokes
- task
- sarcoidosis
- migraine
- anemia
- use of amphetamines and other illicit drugs
- temporal arteritis
- transient ischemic attack

In some cases blurring of vision may be a sign of serious or life-threatening diseases, which should be analyzed as quickly in a medical emergency. Among these are:

- cerebral hemorrhage
- brain tumors
- botulism
- carotid embolism
- brain damage
- seizures
- encephalitis
- vertebrobasilar insufficiency

Blurred vision relief

For blurred vision relief, the doctor can recommend reading glasses or other glasses such as the computer (monitor comfort), with bifocals or multifocal lenses.

There are several measures that try to trick the brain: use of two lenses for distance vision and some others for near vision. May be prescribed including contact lenses for this purpose. It is important to know that a person sees with both eyes equally. Monovision lenses (for the monocular) allows the brain to focus automatically, regardless of eye problem.

If the eye examination does not reveal any problem you can try lubricating drops to relieve dry eye. Talk to your doctor about the possibilities. Finally, if you wear glasses or contact lenses, try to clean them. Various waste and oils can concentrate on them and can give rise to blurred vision or blurred. There are various types of cleaners that can be purchased, but the best solution is to seek advice from an ophthalmologist.

People who have blurred vision due to cataract surgery may choose to replace the lens with a new one, which allows you to see clearer.



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