    ---- ----------------- ------ ------------- ------------------- ---------------------------------------------------------- -----------        Author            Year   Sample size   Adherence rate      Notes                                                      Reference   0    Khandekar R       0000   000           00% compliance      Poor KAP as a cause                                        0   0    Osman EA          0000   000           00.0%               Duration of medication and barrier                         00   0    Masouri K         0000   000           00%                 Glaucoma patients in Switzerland                           00   0    Mehri T           0000   000           00.0%               Cost, education level and barriers                         00   0    Newman Casey      0000   0000          00% after 0 years   Duration, age