If you already have a pair of sunglasses you love, look at the inside of the temple (the arm). You’ll see three numbers (e.g., 50-20-145). These represent the . Matching these numbers to online listings ensures a perfect fit every time. The Bottom Line
Use the "Fulfillment by Amazon" filter to ensure easy returns if they don't fit quite right. 4. Use Virtual Try-On Tools buy sunglasses online cheap
Most budget-friendly sites now have a "Virtual Try-On" feature. You just upload a selfie or use your webcam to see the frames on your face in real-time. It’s not 100% perfect, but it’s way better than guessing. 5. Check the Measurements If you already have a pair of sunglasses