Parkinson’s disease: Colour vision, dry eyes and double vision could be early signs

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Double vision

Double vision is when a person sees two images of a single object either some or all of the time.

The two images may appear on top of one another or side by side, or sometimes they may experience a mixture of both.

The charity says: “This is often caused by problems moving the eyes.”

It adds that some people with Parkinson’s experience “tracking”.

“This is when the eyes do not move smoothly across a line or from one object to another,” it explains, “for example moving across a page when reading, or up and down.



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