When we hear that reindeer eyes change color, most of us think of the iris—the colored part of the eye. While reindeer ...

The net effect or benefit for the animal is that the retina has two opportunities to receive the light, once when it is incident and next when the tapetum lucidum sends it back. As a result, the ...

The tapetum lucidum helps sharks thrive in deep, dark waters. ©Greg Amptman/Shutterstock.com Since sharks are most active during low-light conditions, they use their highly developed vision to ...

Scientists examine a tapetum lucidum from a winter reindeer eye supplied by Sami herders in Norway. Photograph By Robert Fosbury. At 70 degrees north, near Tromsø in Norway or Utqiagvik ...

What is the Function of the Tapetum Lucidum. The secret behind the glowing eyes is a structure called the tapetum lucidum. This reflective layer, located behind the retina, acts like a mirror.

Anyone who’s ever seen a cat in a dark room is familiar with the creepy glow their eyes can have in low light. This effect occurs due to a structure called the tapetum lucidum, which reflects light.