<prompt> Tonography is useful in:Total facility of aqueous outflowReflecting the uveo scleral outflow of aqueousMonitoring the IOP in different statesDetecting the formation of aqueous humour  <response>: Tonography - is a noninvasive technique for determining the facility of aqueous outflow Tonometry - is the assessment of the IOP of the eye and is one of the pillar stones of diagnosis of glaucoma 