A tonometer nthawi zambiri imapangidwa ndi jenereta yosinthira mawonekedwe a cornea, njira yoyezera ma corneal deformation kapena kukhudzana ndi chipangizo cha cornea ndi sensor yosinthira kupanikizika. Amagwiritsidwa ntchito kuyeza kuthamanga kwa intraocular. Mankhwala odziwika bwino ndi tonometer, tonometer yosalumikizana, tonometer ya m'manja, tonometer ya m'manja, tonometer ya m'manja, tonometer ya piezoelectric, tonometer yobwereranso, tonometer ya indentation, etc.. Imatha kuthandizira kuzindikira ng'ala, glaucoma ndi matenda ena amaso. Tonometer yopanda kukhudzana imagwiritsidwa ntchito kwambiri tsopano, yomwe ili ndi ubwino wa ntchito yosavuta komanso kuyeza mofulumira.