The Thai computer users were at high risk of developing CVS and text neck since the majority showed a lack of concern to wear glasses to protect their eyes from computer light, or use 20-20-20 rules. Only a small group did not feel pain in their necks and shoulders. A future campaign to educate users to recognize the correct gesture and computer user behavior needs to be directed to Thai Internet users in order to prevent and increase awareness of CVS and text neck. The mobile application to reduce CVS and text neck problems should be introduced to Thai Internet users since prevention is better than cure.