The Science Behind 3D Glasses: An In-depth Look at Polarized Lenses

3D glasses have revolutionized the way we experience movies, lending an immersive, real-life feeling to our viewing pleasure. But have you ever wondered how these seemingly simple glasses transform a flat screen into a three-dimensional experience? The secret lies in the polarized lenses.

What are Polarized 3D Glasses?

Polarized 3D glasses are a type of eyewear used in cinemas to create the illusion of three-dimensional images. They utilize the properties of polarization, essentially filtering light to control what reaches our eyes.

The Composition of Polarized 3D Glasses

At their core, polarized 3D glasses are made from two main components: the frame and the polarized lenses. While the frame is often crafted from affordable, lightweight materials like plastic or sometimes even card, the real magic lies within the polarized lenses.

Polarized lenses are typically made from special plastic or glass that has been treated with a chemical film. This film contains molecules that align in such a way as to block certain types of light. When used in 3D glasses, the lenses are polarized to filter out specific light frequencies, creating the 3D effect.

The principle is relatively straightforward: each lens is polarized differently, one lens filters vertically polarized light while the other filters horizontally polarized light. The 3D movie is projected onto the screen in two layers, each layer corresponding to the polarization of one lens. When you view the movie through the polarized glasses, your brain merges the two images into one, giving the perception of depth and creating a three-dimensional effect.


Polarized 3D glasses are an amazing example of how science and technology can enhance our daily lives. The next time you sit down to enjoy a 3D movie, spare a thought for the complex science sitting lightly on your nose, transforming the cinema screen into a window to another world.


Here are a series of Polarized 3D Eyewear available at Santek 3D Eyewear

Polarized 3D Eyewear - Plastic Frame(Foldable Type)

Polarized 3D Eyewear - Plastic Frame (Unfoldable Type)

Polarized 3D Eyewear - Normal Size Paper type

Polarized 3D Eyewear - Kid's Size Paper type

Polarized 3D Eyewear - Clip-on Type


About Santek 3D Eyewear

San Technology, Inc. has opened a specialized 3D Eyewear sales site, "Santek 3D Eyewear." We offer various types of 3D glasses with various frames (plastic, paper, clip-on) and a diverse selection of Eyewear. We accept small quantity purchases starting from one item, bulk orders of 500 pieces or more, and also offer customization for frames. We accommodate various needs, including color, frame design, shape, and the design of packaging bags.

Important Note

Currently, our direct shopping page is designed for orders from Japan. However, we welcome orders from customers outside of Japan. Please submit a direct inquiry using the form below or send an email to .

Our Products

Inquiry Form for inquiries about bulk orders, customizations, and more

Since 2006, San Technology, Inc. has supplied over 1 billion 3D eyewears and glasses to over 20 countries worldwide. We believe that we are providing the highest-quality products in the world.

San Technology, Inc. Website

Other Shop Links for customers in Japan
Santek 3D Eyewear Amazon Store
Santek 3D Eyewear Rakuten Shop

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