đ Important Notes for Purchasing Eyeglasses â Please provide a valid prescription or your old eyeglasses as reference for lens power (We do not provide eye examination service) đł Payment Methods E-wallet: Alipay | PayMe | Faster Payment System Bank Transfer: Bank of China | HSBC | Corporate Account In-person Payment: 7-11 Convenience Store đĄïž Standard Lens Features Aspherical Design | 100% UV Protection | Nano Waterproof & Anti-stain Coating | HD Anti-reflective đ Lens Parameters and Price Guide Refractive Index Suitable Prescription Lens Features Price Flat Lens No Power Basic Model $100 1.56 Under -2.00D Economy Ultra-thin $150 1.61 Under -4.00D Recommended Ultra-thin $250 1.