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Blurred vision


what is blurred vision?

Blurred of vision is when there is a reduction in your eye sight that makes it hard to see and interfere with daily activities. Although not all instances are a cause for concern, some may require medical treatment.


Most of the time blurred vision do not threaten the eyesight. But there are times when you should consult an eye care practitioner as soon as possible:

  • If vision changes suddenly and doesn't get better after blinking 

  • If there is eye pain

  • If there is no vision in a specific area

what causes blurred vision?

Blurring of vision may sometimes mean that its time for new pair of glasses but sometimes it can also be a sign of other health conditions. Hence, do not take this symptom lightly and immediately consult an eye care practitioner.

Common causes of blurred vision are:

  • Short sightedness

  • Long sightedness

  • Presbyopia

  • Astigmatism

  • Dry eyes

Possible causes for gradual blurred vision:

  • Cataracts

  • Glaucoma

  • Retinits pigmentosa

Possible causes of sudden blurred vision:

  • Eye Infection

  • Foreign body

  • Eye Trauma

  • Contact lens complications

  • Age related Macular Degeneration

  • Retinal Detachment

  • Diabetes affecting eye

  • High blood pressure affecting eye

  • Stroke

  • Migraine

  • Multiple Sclerosis

  • Brain tumour

  • Medications (Eg patients with SLE)

what are the questions to ask oneself?

  1. Is the blurred vision in one eye or both eyes?

  2. Is it a sudden or gradual blurring vision?

  3. Is the blurring of vision constant or comes and goes?

  4. Is there any injuries to the eye?

  5. How long since the blurred vision started?

  6. Is the any known medical conditions and is it controlled or treated? (Eg diabetes, hypertension)

  7. Any other symptoms besides blurred vision?

potential problems

In most cases, blurred vision is not caused by serious conditions. However, sometimes it may be associated with a systemic disease or condition that if left untreated may cause vision-threatening or life-threatening complications.


If you experience blurred vision especially in one eye, contact the health care provider immediately to determine the underlying cause get treatment if needed.

Once the underlying cause is diagnosed, it is important to follow the treatment plan that  to reduce the risk of potential complications including:

  • Brain damage

  • Loss of vision and blindness

  • Spread of cancer

  • Spread of infection

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