1. Check labels to make sure the sunglasses provide 100 percent UVA and UVB protection. 2. Look for sunglasses that filter out at least some blue light, which can damage the retina and lead to macular degeneration (vision loss from degeneration in parts of the eye). 3. Choose a lens color based on your preferences and comfort level. 4. Opt for lightweight, plastic, shatterproof sunglasses if you're going to be wearing them when playing sports. 5. Purchase sun goggles for total protection of your eyes.
When you go to buy a pair of sunglasses, you should check whether they have 100% UV protection first. Make sure the sunglasses can filter the blue light which can damage the retina. Then choose sunglasses that are comfortable to wear and they should be your preferences. You can try on the sunglasses you like and select one that suit you best.