Ok....It looks like we are playing "online tag" I guess that means you are it! :o)
Some people seem to be sensitive to fluorescent lights. There have, in my experience, been no satisfactory explanation on why some folks suffer from this issue.
There are a number of treatments your son can try and they are listed everywhere on the internet so I won't repeat them here. In my experience many patients get relief by wearing inexpensive polarized sunglasses
when they have to be around this type of lighting, such as at work. I would suggest you son try this. Any type of polarized sunglasses will work -- there is no need to spend hundreds of dollars on "special" or brand name glasses.
In addition you son should have a complete eye examination by an ophthalmologist
to make sure his eyes are otherwise healthy, he has no undiagnosed refractive error etc.
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