10 Causes of Blurred Eyes, from Nearsightedness to Retinal Retention

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Do you often blink, squint, or rub your eyes to see more clearly? Blurred vision is a loss of sharpness of vision, making objects appear out of focus. If you experience blurry eyes, you may experience eye refraction problems that can be corrected by wearing glasses.

However, blurred vision can also be a sign of a more serious problem. Blurred vision can occur in both eyes, but some people experience blurred vision in one eye only.

What are the causes of blurry eyes?
There are many eye problems and other conditions that can cause blurred vision, including:

1. Refraction problems

  • Farsightedness (hyperopia): causes blurred vision when seeing close objects, such as when reading a book or using a computer.
  • Nearsightedness (myopia): causes blurred vision when viewing objects from a distance, such as when watching TV or driving.
  • Astigmatism: causes double vision when looking at objects from close or far.
  • Presbyopia: occurs in people aged 40 years and over who experience blurred vision at close range, this condition is related to increasing age.

2. Cataracts
Blurred vision due to cataracts will feel like there is fog in your eyes. In early cataracts, vision can still be normal and continue until vision becomes very blurred which has a huge impact on the independence of your daily life.

If your cataract has been operated on and you experience blurred vision again, you may experience secondary cataracts.

3. Diabetic retinopathy
Diabetic retinopathy is a complication caused by diabetes. High blood sugar levels cause damage to the retina (the back of the eye). The final stage of diabetic retinopathy, known as macular edema, can cause blurred vision.

4. Macular degeneration
The macula is the middle of the retina in the back of your eye. This is what allows you to see in detail, colors, and objects directly in front of you. Degeneration of the macula causes blurred central vision.

5. Retinal detachment
Detachment of the retina is a medical emergency that can cause sudden blurred vision. It can also cause other symptoms, such as flashing and floaters, as well as sudden blindness.

6. Retinal vein occlusion
If the blood vessels of the retina are blocked (one of which is known as retinal vein occlusion), it can cause sudden blurred vision and sudden blindness.

7. Pterygium
Pterygium is a benign growth that occurs on the surface of the eye, can cause blurred vision when it has passed through the cornea.

8. Vitreous hemorrhage
Leaking blood into the fluid in your eyeballs (vitreous) can block the light from entering your eyes and cause vision to blur.

9. Infection or inflammation of the eye
Many people experience blurred vision due to infections in the eye, such as anterior uveitis. Problems with the eyelids and eyelashes can also cause blurred vision.

10. Cardiovascular disease and other systemic diseases
Blurred vision, often in conjunction with double vision, can be a symptom of an underlying medical emergency, such as a stroke or brain hemorrhage, an early sign of multiple sclerosis, or a brain tumor. If you experience blurred vision suddenly, consult your doctor immediately.

Handling of opaque eyes depends on the cause, can the use of glasses, surgery, or drugs to treat the underlying disease. Consult your doctor to find out the cause of your blurry eyes so that you immediately get the appropriate treatment.

How to prevent blurred eyes?
Blurred eyes are not always preventable, but you can treat your eyes to help prevent blurred eyes that are related to lifestyle. Here are some tips for healthy eyes:

  • Always wear sunglasses that provide protection against UV rays when you are in the sun.
  • Eat nutritious foods like green vegetables, and foods high in omega-3 fatty acids like tuna.
  • Quit smoking.
  • Wash your hands before wearing or removing your eye contact lenses to reduce the risk of infection.
  • Perform regular eye examinations, especially if your family has a history of eye disease.

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