Due to increased screen time and changing lifestyles, blurred vision has become a very common problem. An issue with any of the parts of your eye, like the cornea, retina, or optic nerve, can be the cause of blurred vision in one eye whereas, gradually blurring vision can also be caused by various long-term ailments. Some people also complain about cloudy vision in one eye that comes and goes and itching in the eyes.

Although multiple reasons can lead to such symptoms, some of the common reasons for sudden blurred vision are as follows:

1. Detached Retina
2. Stroke
3. Wet Macular Degeneration
4. Angle Closure Glaucoma
5. Transient Ischemic Attack
6. Eye Strain
7. Corneal Abrasion
8. High Blood Sugar
9. Dry Eye Syndrome
10. Conjunctivitis

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Causes that need immediate treatment:

1. Detached Retina

Blurred Vision Due to Detached Retina

A detached retina is a serious condition that happens when your retina tears from the rear of the eye, losing its nerve supply. The retina is responsible for receiving light from the lens and converting it to neural signals passed along the optic nerve. Detached retina causes blurred vision in the eye along with
dark specks of missing vision.

What is the treatment for Detached Retina?

A detached retina requires an emergency surgical treatment by a retinal specialist. The absence of immediate treatment might also lead to a permanent loss of vision.

2. Stroke

Blurred Vision Due to Stroke

Unexpected blurry vision could indicate a stroke, either in the brain or simply in the actual eye. A stroke affects the part of the brain controlling your vision. As a result, you might experience lost vision or blurred vision in one eye.

What is the treatment for Stroke?

Stroke is a health-related crisis, and expert treatment ought to be looked for immediately. Since stroke affects the eye and your brain, it is critical to provide prompt treatment to prevent further damage to your brain cells.

3. Wet Macular Degeneration

Blurred Vision Due to Wet Macular Degeneration

The macula is the center of your retina. Wet macular degeneration occurs when abnormal vessels grow, causing a leak of blood and other fluids into your macula. This leads to blurred vision and loss of vision in the central area of your line of sight.

What is the treatment for Wet Macular Degeneration?

Wet macular degeneration can spread rapidly, and treatment includes injecting medications into the eye to help you with lost or blurred vision. Treatments such as laser photocoagulation can also be implemented to slow down vision loss.

4. Angle Closure Glaucoma

Blurred Vision Due to Angle Closure Glaucoma

Angle-closure glaucoma is a condition when the iris bulges ahead to block the drainage system within the eye. The pressure inside the eyes increases as fluids cannot circulate through the eye, which causes pain, nausea and redness in the eyes.

What is the treatment for Angle Closure Glaucoma?

Angle Closure Glaucoma is an urgent medical condition, and treatment  includes using eye drops to open the angle, decrease the pressure inside the eye and reduce the inflammation. The treat also involves laser surgery to remove a part of the bulged outer edge of the iris.

5. Transient Ischemic Attack

Blurred Vision Due to Transient Ischemic Attack

A transient Ischemic Attack is a temporary stroke lasting for a few minutes. It does not cause permanent damage. However, it might be treated as a warning for future strokes. Blurred vision, vertigo, blindness on one eye and vertigo are symptoms of a transient ischemic attack.

What is the treatment for Transient Ischemic Attack?

A prompt check-up is required on suffering a transient ischemic attack as your doctor might prescribe some preventive measures such as blood thinners to decrease the risk of a stroke in the future.

What are some other causes of blurred vision?

6. Eye Strain

Blurred Vision Due to Eye Strain

Prolonged screen time by staring at a PC or mobile screen for long hours or performing an action that requires a great deal of visual focus like night driving or reading in dim light can lead to eye strain making your vision blurry.

What is the treatment for Eye Strain?

To prevent this, ensure to use the standard 20-20-20 rule: after every 20 minutes of screen time, take a look at something 20 feet away for about 20 seconds to reduce the strain on your eyes, especially during working hours.

7. Corneal Abrasion

Blurred Vision Due to Corneal Abrasion

The cornea is the transparent covering in the front of your eye. Corneal abrasion is attributed to a scratch on the eyes or a foreign body sensation that might be causing blurring vision.

What is the treatment for Corneal Abrasion?

Corneal abrasion usually takes a few days to heal by itself. Lubricating drops can be used to treat minor abrasion, whereas sometimes, ophthalmologists also recommend antibiotic drops to curtail infection. In some serious cases, anti-infection ointments and steroids are given to diminish aggravation and
inflammation.

8. High Blood Sugar

Blurred Vision Due to High Blood Sugar

If you have diabetes and are experiencing sudden blurred vision, it might be so because of a sudden spike in your blood sugar. An increase in blood sugar levels leads to the swelling of your eye lens, resulting in blurry vision.

What is the treatment for High Blood Sugar?

If you feel your blood sugar level is high, consult your doctor as lowering blood sugar will solve blurry vision.

9. Dry Eye Syndrome

Blurred Vision Due to Dry Eye Syndrome

When your eyes get too dry due to prolonged video time, low humidity air or fans, your vision can get blurred. Dry eye is brought about by an unusual tear film evaporation or tear production. Numerous reasons for dry eye syndrome also include aging, medications, menopause, allergies and auto-immune
diseases.

What is the treatment for Dry Eye Syndrome?

Several off-the-counter eye drops are available for dry eyes; however, you can consult an ophthalmologist for prescription-based eye drops, tear duct plugs, and even thermal treatments in more serious cases.

10. Conjunctivitis

Blurred Vision Due to Conjunctivitis

Conjunctivitis, also popular as pink eye, can cause inflammation in the cornea, leading to blurred vision in the eyes. Conjunctivitis is usually caused by a virus or bacteria and results in inflammation of blood vessels around the eye, making the eyes appear pink or red. Conjunctivitis can also be attributed to
allergic infections, a foreign body or a chemical splash in the eye.

What is the treatment for Conjunctivitis?

Blurred vision as a result of conjunctivitis usually gets treated on its own. However, to ensure a speedy recovery and curtail its spread, antiviral and antibacterial medications can be taken, as suggested by your ophthalmologist.

How do you prevent blurry vision?

Based on the reasons as mentioned earlier for sudden blurred vision, you can take certain preventive measures such as getting adequate sleep to prevent dryness of the eyes, prevent straining of the eyes and reducing eye fatigue by reduced screen time, staying aware of potential health issues caused due to
diabetes, hypertension that can lead to sudden blurred vision. You must also be mindful about your diet and ensure you have proper nutrients such as vitamin A, C and other, antioxidants that help you maintain good eye health. Thus, by staying informed and taking proper care, you can take preventive measures against any vision-threatening conditions.