A Tonometer yawanci ya hada da wani nau'in craceat na jan janareta na jan janareta, wani dormormation notormation tsarin ko lambar corneal na'urar da kuma matsakaiciyar hanyar canzawa. Amfani da shi don auna matsin lamba na ciki. Shafi na yau da kullun tonometometer, baitar da tonometer, wanda aka sanya hannu a cikin kayan adon hannu, tuntuɓi piezoeelectror, ​​tsayayyen Tonometer, da sauransu. ana iya taimakawa cikin ganewar asali, glaucoma da sauran cututtukan ido. Ana amfani da Toometer ɗin da ba a yi amfani da shi ba yanzu, wanda ke da fa'idodin sauƙaƙe da kuma ma'aunin nauyi.