This includes missed doses, premature cessation of therapy, and ineffective methods of taking medications. This last problem is especially pertinent to instilling eye drops. Taking too much medication. Taking a drug for the wrong reason. This may arise from confusion about the purpose of using a drug, particularly if several drugs are being used.
Some patients take medications only just after and before their appointments.
Halfway between appointments is the time at which the least number of prescribed doses are taken. Not taking medications can lead to visual field loss in a patient whose intraocular pressures at the time of the visit are measured as being normal. There are other ways in which patients are noncompliant. These include not filling prescriptions, not refilling prescriptions when the first bottle runs out, and not getting the drops in the eye. Patients may fill prescriptions but never use the drops.