Q:

When someone sees vision halos, what does that mean?

A:

Quick Answer

Visual halos can be caused by cataracts, migraine headaches and damage to the cornea, explains Healthline. Individuals with eye diseases such as glaucoma may also experience visual halos when looking at certain objects. Individuals experiencing visual halos that come on suddenly should consult with a physician as soon as possible.

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Full Answer

Common visual conditions such as nearsightedness, farsightedness and astigmatism can also cause visual halos, explains WebMD. Individuals who are nearsighted have difficulty focusing on objects in the distance, especially during the evening hours. Individuals with farsightedness have trouble with close-up vision. Astigmatism causes the cornea to become misshapen, which in turn leads to blurred vision and halos.

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