Many folks have spent thousands of dollars on 3DTVs to enjoy 3D experience at home. Let’s just say 3D movies and content are not for everyone. Some people even get headaches when watching 3D content for a short period of time. These 2D Glasses are designed for those of you who live without someone who can’t handle 3D videos. It lets people watch 3D content without getting a headache (3D to 2D conversion). These cost you $8.