Yes. Here's how you can use your FSA or HSA to buy prescription glasses:If you have a FSA or HSA debit card, enter your information at checkout, just like you would a normal credit card.If you don't have a FSA or HSA debit card, you can use your own credit/debit card, then print your itemized order receipt and submit it to your provider along with a reimbursement form or any other required documents.