17 Strong reasons for Impaired and Blurred Vision

blurred vision

Blurred Vision

Blurred vision is a kind of vision in which the view seems not to be clear. It is very common because it occurs with the common problem in your eye. It can be with the cornea, retina, or optic nerve.

Impaired Vision

Impaired vision is a kind of vision in which a person partially sees the objects or finds it difficult to recognize an object. It can be treated with proper medications and guidance.

There are some conditions that need immediate treatment so that they can not harm further. Given below are the strong 17 reasons for blurred or impaired vision.

1. Detached retina

It occurs when the retina of your eye tears away from the back and loses its blood and nerve supply. After its occurrence, what is visible is flashing lights and black flecks followed by an area of blurred or absent vision.

It is a problem that needs treatment immediately otherwise there can be permanent loss of vision.

2. Stroke

Blurred vision or impaired vision in both eyes can also occur when you experience a stroke in that part of the brain which controls vision. It involves your eye and causes blurred or lost vision in only one eye.

Other symptoms of a stroke can be such as weakness on one side of your body or the inability to speak.

3. Transient ischemic attack

It is a kind of stroke that lasts less than 24 hours. One of its most common symptom is blurred vision in one or both eyes.

4. Wet macular degeneration

The macula is the center of the retina. When abnormal vessels grow and cause leakage of blood and other fluids into the macula, this is wet macular degeneration. Its progress speed is fast and it can happen suddenly. Wet macular degeneration usually causes blurred vision and loss of vision in the center part of your visual field.

blurred vision

5. Angle closure glaucoma

When the drainage system of the eye is blocked and it creates pressure in the eye, then it is known as angle-closure glaucoma. It usually causes redness, pain, and nausea.

This problem is a medical emergency and requires immediate treatment. Its treatment includes eye drops to open the angle, decrease the pressure and inflammation. Sometimes, iridotomy (a laser procedure) is also suggested by doctors.

6. Eye strain

It occurs when you are focusing on the same thing for a long time without even giving a break to your eyes. If you are watching a computer or phone continuously, then it a situation of digital eye strain. It causes blurred vision especially at the time of reading and driving.

7. Conjunctivitis

Conjunctivitis usually occurs because of virus infection at the outside lining of your eye. Another name for conjunctivitis is pink eye.

8. Corneal abrasion

The cornea is a clear covering in the front of an eye. A corneal abrasion happens when you scratch or injure yourself. It creates a blurred vision and feels like there’s something in your eye.

9. High blood sugar

Blurred vision can also occur because of very high blood pressure levels. This level of blood pressure swelling in the eye.

10. Hyphema

Hyphema is a situation in which dark red blood pools inside the front of your eyeball. It usually happens after an injury as bleeding occurs at the time of an accident. It becomes painful as it increases the pressure inside the eye.


11. Iritis

Iris is the colored part of an eye. Iritis occurs when an infection creates inflammation in the iris.

Another name of iritis is photophobia as it creates a sensitivity in the eyes to light. Iritis can happen because of an autoimmune condition or herpes.

12. Keratitis

Inflammation in the cornea is a situation of keratitis. It usually happens because of an infection, using one pair of contact lenses for too long, or reusing dirty contacts.

13. Macular hole

The macula’s role in our eye is to balance central vision. If it tears or breaks, it can develop a blurry vision. It usually only affects one eye.

14. Migraine with aura

Migraine attacks are followed by an aura, which can cause blurred vision, wavy lines, or flashing lights.

15. Optic neuritis

The role of an optic nerve is to connect an eye with the brain. If there is an inflammation in the optic nerve, it will be a situation of optic neuritis.

optic nuritis

16. Temporal arteritis

Inflammation in the medium-sized arteries is a situation of temporal arteritis. The vessels around your temples can cause a throbbing headache in your forehead, but it can also cause your vision to blur or disappear.

17. Uveitis

The uvea is a collection of pigmented structures in the eye including the iris. An infection or autoimmune reaction can cause it to become inflamed and painful, which is called uveitis.

Treatment for blurred vision

Treatment of blurred vision depends on the reason of the blurred vision. If it is because of low level of blood sugar then try to consume high sugar food. Include glucose, juices and candies in your daily diet.

Other treatments may include medicines according to the symptoms, laser surgeries, or spectacles.


Prevention is always better than cure. Some reasons of blurred vision can not be cured as that require immediate treatment but we can prevent our eyes so that we can stay away from eye related issues.

  • Always wear sunglasses that provide broad-spectrum protection when you’re going out in the sun.
  • Eat a diet rich in nutrients, antioxidants like spinach, bananas, almonds, etc.
  • Quit alcohol and smoking
  • Undergo regular comprehensive eye exams, especially if someone in your family has a history of eye disease.
  • Wash your hands before putting on or taking out contact lenses to reduce infection risk.
  • Wear protective eyewear when operating heavy machinery or engaging in activities such as painting and home repairs.

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