Kwa thumba lotiscope , aliyense ali ndi nkhawa zosiyana za izi, ndipo zomwe timachita ndikukulitsa zofunikira za kasitomala aliyense, ndiye kuti mtundu wa thumba la thumba la otoscope lalandiridwa bwino ndi makasitomala ambiri ndipo adakhala ndi mbiri yabwino m'maiko ambiri. Makina a Mthumba Ootoscope omwe ali ndi mapangidwe & magwiridwe antchito & mtengo wampikisano, kuti mumve zambiri pa thumba la thumba la ootscope , chonde khalani omasuka kulumikizana nafe.