3D Glasses - Red/cyan plastic frame High quality and extreme comfort - For Anaglyph (red/cyan) movies such as: Shrek, Shark Boy & Lava Girl, Barbie & Pegasus, and other movies that use the red/cyan Anaglyph format Can be used with field sequential movies, if you FIRST convert the movie to Anaglyph The paper glasses that come with the Anaglyph movies are not as good as these. See sharper & clearer 3D Glasses must fit the 3D Format of the movie/game - these glasses only work with red/cyan or red/blue movies - Anaglyphic There is no diopter correction in these glasses.