Linear polarized 3D glasses has two specifications: 45/135 and 0/90. Linear polarized is a cheap and stable quality 3D technology, it do not make people’s eyes tired after long time wearing. It is mainly used for watching 3D movie in 3D cinemas, and also could be used for watching 3D games.
For linear polarized 3D glasses, the most popular specification that many 3D cinemas use is 45/135. But people sometimes do not know which eye is 45, and which eye is 135? Pls look at the picture, and you will know that their correct position should be: Left eye: 45 , Right eye: 135.