Dear customer, we are very sorry to hear that. We understand that choosing a perfect frame style & size online can be tough sometimes, here are some tips: Check face shape and frame style, use virtual try-on feature for style references, next is check how to measure frame size and then Find the perfect size. If your old glasses are too big/small, you can go up/down 1-2 millimeters (example 50 to a range of 48-50). Allow us to further check on this and our CSR will reach out to you via email (within 24 hours during weekdays and 48 hours when weekends). Please check your inbox or spam mail. Please stay safe and healthy!