You've been cooped up all winter, and now the sun is shining and you can't wait to get outside. But hold on! Don't forget the sunglasses.
Here's the next question: Do the shades with the darkest glass offer the most protection?
Not necessarily, says the American Academy of Ophthalmology. In fact, it warns, dark sunglasses can be more harmful than others because they cause the pupils to enlarge, and that lets in more damaging rays.
The important thing is the UV protection specified on the tag. Color and price have no effect on the protection offered.
