Di,
I only know my eye doctor recommended either Brown sunglass or the green dark UV rays sunglasses . I have clip on to my glasses . I would think you could go to www.webmd.com or google .I would not wear yellow or blue .I really love my clip on sunglasses . Just what I was told in sunglasses .

Have a good day and bye all

Renee
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Courage is very important
Like a muscle, it is strengthened by use .