I have a complex prescription and I buy my glasses out of pocket from the web at around $15-20 a pair for both lenses and frames. My last order I bought 6 pair and a pair of sunglasses for less than $150 out of pocket. They may not last as long, but I've lost enough "expensive" frames to not care anymore. There's also the peace of mind of bringing 3 pairs of glasses on vacation and not caring if any of them get lost or broken.