Ndili ndi zaka zambiri zojambula zopanga ma ophthalmic zida zamagetsi zopangidwa ndi magetsi , zimatha kupeza ophthamenti . zida zamagetsi za zotheka kuti zizigwira ntchito ya ophthamenti ya ophthamenti . Kuphatikiza pa mndandanda wazomwe zili pansipa, mutha kusinthanso zida zanu zapadera zamagetsi zapadera za OPHthalmic zonyamula manja onyamula keratometer malinga ndi zosowa zanu zapadera.