Heavy alcohol use may cause problems with your vision and overall eye health.
Some temporary effects occur when you drink, and other effects take time to develop and can be permanent.
This article describes the potential effects of alcohol on your eyes.
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These are short-term effects that can begin while you are drinking, and can last for several hours afterward.
When this happens, you may have blurred vision ordouble visiondue to weakened eye-muscle coordination.
Slow Pupil Reactions
Alcohol tends to affect the speed at which youririsconstricts and dilates.
A driver that has been drinking alcohol cannot adapt as quickly to oncoming headlights.
This may also give you the effect or perception of having tunnel vision.
Slow Reaction
Your overall responses can slow down while you are under the influence of alcohol.
You might develop a painless loss of vision, decreased peripheral vision, or reduced color vision.
Methanol Poisoning
Optic neuropathy can also develop as a result of accidental methanol poisoning.
A Word From Verywell
Occasionally drinking moderate amounts of alcohol doesn’t usually cause any health problems.
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