PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 4) Most discard dates are two to six months after opening, depending on the solution. (5)With the exception of those packaged in an aerosol can, contact lens solutions which do not contain a preservative, such as preservative-free saline solution, should be discarded 24 hours after opening.
http://www.w3.org/ns/prov#wasQuotedFrom
  • contactlenssafety.org