I understand the appeal. You want stylish glasses without the high cost of prescription lenses. Finding a place to buy non-prescription glasses that look great might seem straightforward, but it's filled with hidden pitfalls. I've made these mistakes myself so you won't have to. It's easy to get excited and end up with the wrong pair. Learning from my errors will save you both money and frustration.
Here’s what I learned the hard way about purchasing non-prescription glasses:

My biggest error was always hunting for the lowest price. I'd see items like "Retro Square Optical Glasses Frames Men Women Prescription Glasses Clear Lens Eyeglasses Spectacle Frame Unisex 10 / China" advertised for incredibly low prices. I thought, "Why pay more for just clear lenses?" That was a major miscalculation. I assumed non-prescription meant there were no real quality concerns, but I was wrong.
The frames felt like brittle plastic. They bent with little pressure and would snap if I wasn't extremely careful. The lenses had an odd glare that caught light in distracting ways. They looked decent in photos but felt flimsy and cheap in person. After just one week, a tiny screw in one hinge fell out, making the arm loose. Soon after, the hinge broke completely. I didn't spend much, but it was money wasted. I learned that extremely cheap glasses often break quickly or simply feel unpleasant. They might be lightweight, but not in a durable, high-quality way.
What I thought: "Saving money is a smart, easy choice for non-prescription frames."
What really happened: I purchased disposable items that didn't last. The clear lenses smudged easily and were difficult to clean. I ended up having to buy another pair anyway, costing me more in the long run.
Verdict: Super cheap glasses are often a poor investment. They might look appealing online but don't hold up in reality. Expect inferior materials and weak construction that will require quick replacement.
I once bought a pair of clear lens glasses simply because they looked trendy and matched the "Retro Square" style I wanted. I didn't consider how they were actually constructed. I saw the style and clicked buy. Don't repeat my error! This is especially important when you're trying to figure out where to buy non-prescription glasses.
The plastic felt rough and sharp on the bridge of my nose. The arms were stiff, making them hard to fold, and they dug uncomfortably behind my ears after just an hour. The clear lenses themselves scratched almost immediately. They also seemed to attract dust and were hard to get perfectly clean. I failed to check for basic things like solid hinges or smooth, polished finishes on the frames. I just assumed "clear lenses" meant they were all of similar quality. They absolutely are not.
Here are some things I wish I had looked for when buying non-prescription glasses: