Lub kaw lus teeb pom kev zoo rau kev xa cov tshuab hluav taws xob hauv tshuab tsom
Txoj kev teeb pom kev zoo suav nrog ob qho tseem ceeb: ib rab phom hluav taws xob thiab lub teeb roj looj. Nws txoj haujlwm yog qhov tseem ceeb los muab cov qauv coj thiab qhov nruab nrog qhov pom kev nrog lub teeb ci txaus thiab cov hluav taws xob nqaj hluav taws xob tam sim no. Cov tseev kom muaj rau nws yog ib qho thiab ruaj khov tso zis hluav taws xob nqaj hluav taws xob yoj yoj, cov teeb pom kev zoo sib xws thiab kev kho kom yooj yim. , Astigmatism yog tus me.