Costco eye exams from local independent doctors are a great value, but should you buy glasses there? Our author says no -- ...

I recently became an executive member at Costco. To make the membership worth it, I buy Kirkland Signature diapers, eyeglasses, and ground beef.

We’re testing Costco Optical, which now offers single-vision prescription eyeglasses available to order completely online (with a virtual try-on option) and free in-store adjustments.

But is Costco really the best place to buy glasses? As a longtime glasses-wearer and 20-year Costco member, I have a surprising take on this question: Costco is not the best place to buy eyeglasses.