If you wear glasses, you already know they're not cheap. Frames, lenses, coatings — it adds up fast. The good news: your Health Savings Account (HSA) can cover a lot of that cost, as long as the purchase qualifies as a medical expense under IRS rules. Here's exactly what you need to know. What Even Counts as HSA-Eligible? An HSA lets you set aside pre-tax money to pay for qualified medical expenses — meaning you're paying with dollars the IRS never taxed. To qualify, an expen