With existing 3D television displays, viewers must wear stereo glasses to get the effect of seeing images on the screen in three dimensions, while viewers without the glasses see a blurry image.

We may earn a commission from links on this page. Having a good weekend? Got some sun? Great. Grab some sunglasses and stare at the computer screen. We’ll show you an example of the Pulfrich ...

Many visual symptoms originating from a spontaneous Pulfrich phenomenon can be alleviated by the provision of a tinted lens worn in front of the least affected eye. Here, we report on the long ...

YouTube science guy Tom Scott claims his newest video can be viewed in 2D and 3D at the same time, even though it wasn't shot with any special equipment. Come for the illusion, stay for the science.

To determine whether testing for the Pulfrich phenomenon (PP) can be used as a tool to assess the need for and optimal timing of second-eye cataract surgery. A total of 61 patients with logMAR 0 ...