National Eye Institute: Color Blindness
The federal research agency for vision and eye health, offering plain-language patient information on every major eye condition.
Visit SiteColors may look dull or washed out.
Hues may appear different than expected.
Similar colors become harder to distinguish.
Everything may take on a subtle color cast.
This web experience is intended for educational and empathy-building purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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Changes in color perception affect how your eyes detect and interpret color. Instead of seeing vibrant, accurate hues, colors may appear muted, altered, or less distinct.
These changes can develop gradually over time or happen more suddenly, depending on the cause.
Bright tones may appear dull or faded.
It becomes harder to tell similar colors apart.
A subtle color cast can affect everything you see.
Color plays a role in how clearly you interpret a scene.
Many different conditions can affect the way you see. Here are some of the conditions commonly associated with this type of visual change.
Treatment for changes in color perception depends on the underlying cause.
Some changes, such as those related to cataracts or certain medications, may improve with treatment or adjustment. Others, like inherited color vision deficiencies, are typically lifelong.
If color vision changes suddenly or significantly, especially in one eye, it's important to seek medical care. Sudden color fading can be a sign of optic neuritis, an inflammation of the optic nerve that needs prompt evaluation.
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