Blurry vision is a common issue that can result from fatigue, dry eyes, or an outdated prescription. But in some cases, it’s a warning sign of a serious underlying condition. Knowing when blurry vision is an emergency could help you protect your eyesight and overall health.
 

Common Causes of Blurry Vision

Temporary blurry vision can happen for a variety of reasons, such as eye strain from prolonged screen use, dry eyes, allergies, refractive errors like nearsightedness or astigmatism, or wearing old or damaged contact lenses. In many of these cases, the blurriness typically improves with rest, lubricating eye drops, or updated eyewear. However, if the blurring comes on suddenly or is accompanied by other symptoms, it may be a sign of a more serious issue and should not be ignored.
 

Signs That Blurry Vision May Be an Emergency

You should seek immediate medical attention if your blurry vision is:
 

• Sudden and Severe: Rapid onset of blurred vision without a clear cause may point to a stroke, retinal detachment, or acute angle-closure glaucoma - all of which require emergency treatment.
• Accompanied by Eye Pain or Redness: Painful, red eyes with vision changes could indicate serious infections, inflammation, or high intraocular pressure, which can lead to permanent damage if untreated.
• Paired With Flashes or Floaters: Seeing flashes of light, sudden floaters, or a “curtain” over your vision may be signs of a retinal tear or detachment. This is a true emergency that can lead to vision loss without prompt care.
• Associated With Headache or Nausea: Blurred vision combined with intense headache, nausea, or dizziness may be linked to neurological issues such as a stroke or brain injury.
• Affecting Only One Eye: If blurry vision suddenly occurs in one eye only, it may indicate optic nerve issues or vascular problems that warrant immediate evaluation.

Blurry Vision and Systemic Health Conditions

Sometimes, blurry vision is the first noticeable symptom of a systemic health condition. For example:
 

• Diabetes can cause blurry vision due to fluctuating blood sugar levels or diabetic retinopathy.
• Hypertension may damage the blood vessels in the retina, resulting in vision changes.
• Multiple sclerosis can affect the optic nerve, leading to sudden vision loss or blur in one eye.
• Autoimmune disorders like lupus or rheumatoid arthritis can cause inflammation in the eyes.

Protect Your Vision With Prompt Care

Blurry vision might seem like a minor issue, but when it appears suddenly or is paired with other symptoms, it could indicate a serious medical problem. Recognizing the warning signs and acting quickly can help protect your vision and your overall health.
 

If you're experiencing unexplained or sudden changes in your vision, contact Bluebonnet Eye Care to schedule an urgent eye exam. Visit our office in San Antonio, Texas, or call (210) 696-6500 for further guidance.