A tonometer inowanzo umbwa ne corneal shape shanduko jenareta, corneal deformation yekuyera sisitimu kana kubata corneal mudziyo uye pressure shanduko sensor.Inoshandiswa kuyera intraocular pressure.Zvigadzirwa zvakajairika ndezveIyo tonometer, isingabatanidzi tonometer, inobatwa neruoko, inobatwa neruoko tonometer, applanation tonometer, kubata piezoelectric tonometer, rebound tonometer, Indentation tonometer, nezvimwe.. inogona kubatsira mukuongororwa kwecataract, glaucoma uye zvimwe zvirwere zvemaziso.Iyo isiri-contact tonometer inowanzoshandiswa ikozvino, iyo ine zvakanakira kushanda nyore uye kukurumidza kuyerwa.