Why Harry Potter is a sight for sore eyes: Watching in 3D could identify vision problems
By Claire Ellicott
It is the must-see summer blockbuster that has shattered box office records on both sides of the Atlantic.
And now it seems there is another reason to watch the final Harry Potter film, as it could be good for your health.
Eye experts claim the 3D version can help identify potential sight problems among movie fans.
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