Offtech Cleadew SL Orthokeratology Expiration Date: September 2028 x 5 boxes, with 2 lens cases Contains Povidone-Iodine disinfectant, eliminating over 99% of microorganisms and viruses ※3 While antibacterial functions are the mainstream for hard lens care products, Cleadew O2, with its disinfecting function, thoroughly disinfects not only the lenses but also microorganisms and viruses attached to the lens case, protecting your precious eyes from infections, etc.