The most common symptoms of a cataract are:
- Cloudy or blurry vision
- Problems with light. These can include headlights that seem to bright at night; glare from lamps or very bright sunlight; or a halo around lights.
- Colors that seem to fade
- Poor night vision
- Double or multiple vision (this symptom often goes away as the cataract grows).
- Frequent changes in your eyeglasses or contact lenses.
These symptoms can also bee a sign of other eye problems. If you have any of these symptoms, check with your eye care professional.
When a cataract is small, you may not notice and changes in your vision. Cataracts tend to grow slowly, so vision gets worse gradually. Some people with a cataract find that their close-up vision suddenly improves, but this is temporary. Vision is likely to get worse again as the cataract grows.
To detect a cataract, and eye care professional examines the lens. A comprehensive examination usually included:
- Visual acuity test: This eye chart test measures how well you see at various distances.
- Pupil dilation: The pupil is widened with eyedrops to allow your eye care professional to see more of the lens and retina and look for other eye problems.
- Tonometry: This is a standard test to measure fluid pressure inside the eye. Increased pressure may be a sign of glaucoma.
Your eye care professional may also do other tests to learn more about the structure and health of your eye.
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