Are Babies Colorblind?

At birth, babies see exclusively black, white and some shades of gray. The nerve cells in the retina are not fully developed on newborn babies. Colors are experienced when light reaches our retina. The retina is a tightly packed nerve cells area in the back of the eye. These nerve cells are called rods and … Read More Are Babies Colorblind?

What happens to Astronauts’ vision when they are in space?

In 2005, Astronaut John Phillips had difficulty when looking out the window of the International Space Station to focus on planet earth. This change of vision happened after being on the ISS for three months. Astronaut Phillip’s vision had been 20/20 prior to this mission. When he returned to earth, his vision was 20/100 after … Read More What happens to Astronauts’ vision when they are in space?