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Why Has My Vision Gone Blurry All of a Sudden?

Why Has My Vision Gone Blurry All of a Sudden?

Blurred vision is more common than many people realize, with some causes resulting in temporary vision disruptions and other issues leading to permanent vision loss.

Many parts of your eye need to work together to help you see: the optic nerve, retina, and cornea. If a problem occurs with any of these parts of the eye, it could affect your vision.

Identifying Blurry Vision

One interesting phenomenon with blurred vision is that you might not notice the symptoms initially.

It’s interesting to see how people feel like they are seeing the world through new eyes after getting glasses or contact lenses for the first time. They previously viewed everything through blurry vision but didn’t realize how much their vision had deteriorated.

Pay attention to how your behavior might change, which indicates potential signs of blurry vision. For example, do you notice that you often hold books and other objects closer than usual or farther away? This small habit can be a red flag for underlying vision issues.

Other symptoms might accompany blurry vision, such as squinting, blinking, or rubbing your eyes a lot so you can get a clearer view.

Progressive Blurred Vision vs. Sudden Blurring

If you notice a slow, progressive development of blurred vision, then there’s likely an underlying medical concern that is contributing to the vision changes.

On the other hand, a sudden change in your vision that results in blurriness usually happens because of a single event.

What Is the Most Common Cause of Blurred Vision?

Whether you have blurry vision right now or experienced it in the past, you are probably wondering about the underlying causes. Any change in vision could be an indication of another health problem.

So, it’s best to take this symptom seriously and seek medical attention if you suspect something is happening to your eyes. It doesn’t hurt to talk to the eye doctor and rule out severe conditions that could be affecting your eyesight.

Common Causes of Blurry Vision that Require Immediate Treatment

Sometimes, blurry vision could be an indication that you are experiencing a medical emergency. It’s essential to seek treatment without delay to avoid permanent vision damage.

Common medical issues that result in blurred vision include:

  • Detached Retina: When the retina tears away from the back of the eye. Blurred vision is often accompanied by other symptoms, such as black flecks, flashing lights, or an area of absent vision.
  • Stroke: This medical emergency can happen in one or both eyes because it affects the part of the brain that controls vision. Watch for other related symptoms, such as an inability to speak or weakness on one side of the body.
  • Macular Degeneration: Wet macular degeneration can cause vision loss and blurriness in the central area of your vision. This condition starts suddenly and has a rapid progression.
  • Glaucoma: Angle-closure glaucoma happens when the drainage system in the eye is blocked. As a result, pressure builds within the eye and can cause damage to the optic nerve.

Other Causes of Blurry Vision

There are a variety of other reasons why you might be experiencing blurry visions. These conditions may or may not require medical treatment, but they aren’t considered emergencies.

Consider these possibilities if your vision is blurred:

  • Eye Strain: Looking at a book, computer screen, or any other object for too long without giving yourself a break
  • Eye Infection: A bacterial or viral infection in the eye that affects the outside lining of the eye and results in vision loss
  • Corneal Abrasion: Blurred vision from an injury or scratch on the front of the eye
  • Blood Sugar Fluctuations: Affect not only the eyes but also result in chronic inflammation throughout the body
  • Migraine: Cause other symptoms, such as vision disturbances or flashing lights

Frequently Asked Questions about Blurred Vision

How Long Can Blurry Vision Last?

There isn’t one answer to determine the length of time your blurry vision will last. However, if your vision is blurred temporarily, your eyesight might correct in a few short hours.

If you notice that your blurred vision remains for an extended period of time or it is getting worse, it’s best to talk to your eye doctor without delay.

Early treatment can help you avoid serious complications (such as total vision loss) in the future, depending on the condition.

How Long Can Eye Strain Last?

Eye strain is one common cause of temporary blurred vision. Looking at digital devices is a common culprit. Even though this screen time won’t cause permanent damage, your eyes might be tired if you are staring at the screen without resting your eyes throughout the day.

Pay attention to how your eyes feel when you are looking at a computer screen for work or using your cell phone. If you wear glasses, talk to your eye doctor about adding an anti-glare coating on the lenses to give you an added layer of protection while using digital devices.

Also, remember that environmental factors can affect how quickly your eyes fatigue when looking at a screen. For example, if you are sitting in a dark room and staring at a bright screen, it can strain your eyes. A better solution is to match the screen’s brightness with the brightness of the room.

Can You Fix Blurry Eyesight?

The underlying reason why your eyesight is blurry will determine whether you can fix these vision issues. For example, if your eyesight is blurry because you are nearsighted, the only way to improve your vision is by using glasses or contact lenses.

On the other hand, if your vision is blurry because of long hours looking at a computer screen, you can rest assured knowing that your vision will return to normal when you give your eyes time to rest.

Can Stress Cause Blurred Vision?

Stress is more powerful than we know and can result in a variety of physical responses throughout the body. However, just because you are stressed doesn’t necessarily mean that you will experience blurred vision.

But stress can contribute to other health issues that could play a role in your vision. For example, if high levels of stress make you more susceptible to migraines, then it’s possible that these severe headaches could cause vision symptoms.

Can Lack of Sleep Cause Blurred Vision?

If you don’t get enough sleep at night, it can cause eye conditions that could lead to blurry vision. For example, lack of sleep causes dry eye, which can affect your eyesight temporarily.

Talk to an Eye Doctor about Blurry Vision

If you have concerns about blurry vision, it’s time to talk to an eye doctor for a diagnosis. First, call EyesNY to book an appointment at one of our nearby locations.

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