In prehistoric time, Inuit peoples wore flattened walrus ivory glasses to block harmful reflected rays of the sun, and the earliest historical reference to sunglasses dates to ancient China and Rome. Sunglasses made of lenses of smoky quartz offered no corrective powers and didn’t protect eyes from harmful UV rays, but did offer protection from glare.

Summertime typically means more time spent outdoors, and more exposure for your eyes that can lead to potential issues. Taking a few simple steps can ensure a relaxing and safe season. Three common summer situations can affect your eyes: dehydration, “surfer’s eye” and sunshine.