Tej zaum koj tab tom ua qhov no tam sim no - saib lub khoos phis tawj, xov tooj lossis ntsiav tshuaj uas tso tawm lub teeb xiav. Kev ntsia ib qho ntawm cov no rau lub sijhawm ntev tuaj yeem ua rau muaj Computer Vision Syndrome (CVS), ib hom mob qhov muag tshwj xeeb uas ua rau muaj cov tsos mob xws li qhov muag qhuav...
1. Lub Teeb Xiav Yog Dab Tsi? Peb lub qhov muag pom tau lub ntiaj teb muaj yeeb yuj zoo li no, uas feem ntau yog tsim los ntawm xya xim liab, txiv kab ntxwv, daj, ntsuab, xiav xiav, xiav thiab ntshav. Lub teeb xiav yog ib qho ntawm lawv. Hauv cov lus tshaj lij, lub teeb xiav yog ib hom teeb pom kev zoo...