A i-tonometer ivamise ukwakhiwa ngejeneretha yokuguqula isimo sekhone, isistimu yokulinganisa ukuguqulwa kwe-corneal noma idivayisi ye-corneal yokuxhumana kanye nenzwa yokushintsha ingcindezi.Isetshenziselwa ukukala ingcindezi ye-intraocular.Imikhiqizo ejwayelekile i-tonometer, i-tonometer engathinteki, i-tonometer ephathwa ngesandla, i-applanation tonometer ephathwa ngesandla, i-applanation tonometer, i-piezoelectric tonometer yokuxhumana, i-rebound tonometer, i-Indentation tonometer, njll.. Ingasiza ekuxilongeni ulwelwesi lwamehlo, i-glaucoma nezinye izifo zamehlo.I-tonometer engathinteki isetshenziswa kakhulu manje, enezinzuzo zokusebenza okulula nokulinganisa okusheshayo.