The so-called "salt tablet issue" concerning soft contact lenses.
D003263:Contact Lenses, Hydrophilic; D004203:Disinfection / Q000379:methods*; D006801:Humans; D012965:Sodium Chloride / Q000009:adverse effects*; D013242:Sterilization / Q000379:methods*; D013607:Tablets
D013607:Tablets; D012965:Sodium Chloride