A quota of 200 subjects aged 65 years or older and had their households registered in Guando district was recruited for a general physical examination including ophthalmic evaluation. A structured ...

Some cuttlefish absolutely refuse to wear 3-D glasses. These relatives of squid and octopuses have blimplike bodies that end in a ring of eight arms topped by two prominent eyes. It’s not hard to ...

Cuttlefish viewing a movie of shrimp through 3D glasses properly positioned themselves to strike the "prey," suggesting these cephalopods hunt using a process called "stereopsis" to calculate depth ...

Researchers use 3D glasses, films and food to test whether cuttlefish use stereopsis to find prey There are some questions in science that can only be answered by strapping a pair of 3D glasses to an ...

Cuttlefish in 3D glasses watching a video of a shrimp. It's not something you've likely ever seen in your neighborhood pet store, but scientists at the University of Minnesota dared to try it. The ...

As I reread Rudolf Arnheim’s brilliant book, Visual Thinking, I wondered again how much our vision shapes our thinking. Anyone who has undergone a dramatic improvement in vision is in a special ...

Praying mantises spend most of their lives being still. But to put 3-D glasses on these insects, Vivek Nityananda had to get them to stay really still. He would put their cages in a freezer for five ...