That cabinet lined with old sunglasses at the thrift shop is like a candy counter for vintage fashion lovers like me. But I wouldn’t risk wearing those $10 Jackie O frames right away — they may not offer UV protection. Eye care is serious, and I’ve learned first-hand that updating vintage frames with radiation-blocking lenses can be a serious hassle and expense. Read on for my guide to safely and affordably updating your sunnies before pool party season.