Blurry vision is when your sight is not sharp or clear, making objects look fuzzy, hazy, or out of focus. It can affect one eye or both eyes, and it may happen suddenly or gradually.
In simple terms, you can see, but not clearly.
Common signs
- Difficulty reading small text
- Trouble seeing faces or objects clearly
- Headaches or eye strain
- Squinting to see better
Common causes
- Eye problems: nearsightedness, farsightedness, astigmatism
- Eye fatigue: long screen time or lack of sleep
- Dry eyes
- Infections or inflammation
- High blood pressure or high blood sugar
- Eye diseases like cataract or glaucoma
When to worry
Blurry vision needs urgent medical attention if it:
- Comes suddenly
- Is accompanied by eye pain, headache, dizziness, or weakness
- Happens after an injury
- Keeps getting worse