How contact lens has been made? Watch the video in Hindi.
In today's time, everyone wants to look beautiful and stylish. In such situation, for those who put glasses on, glasses are a hindrance in fashion and for such people, contact lenses made to prevent glasses. But do you know how contact lens has been made and who made it?
https://ottindia.tv/watch/who-made-contact-lens-69643d31303831