Does anyone know if we can buy Ortho-k (角膜塑形镜) over the counter, or it is prescription type? Thanks, Peter ================================================================ To Subscribe or Unsubscribe CSSAMSU mailing list, please go to: http://list.msu.edu/archives/cssamsu.html Click "Join or leave the list". For further assistance, please contact Jerry McAllister [log in to unmask] ================================================================