Rau cov khoom siv ophthalmic pib kerato Refractometer , txhua tus muaj kev txhawj xeeb tshwj xeeb ntawm txhua tus neeg muas zaub, yog li qhov ua tau zoo ntawm peb cov neeg siv khoom thiab nyiam lub koob npe zoo hauv ntau lub tebchaws. Mecanmed Ophthal Cov cuab yeej pib Kerato RefACTometer muaj tus cwj pwm tsim & cov ntaub ntawv sib tw, rau cov cuab yeej sib tw pib ntawm Kerato RefACTometer , thov koj xav tiv tauj peb.