Gymnast suffering Rod Monochromacy

The 18-year-old Alex Loch suffers from rod monochromacy. This is one kind of achromatopsia with a constricted over all vision.

The normal eye has rods and cones which support each other to see what we see. Cones are responsible for color and bright light conditions whereas rods are taking part in darker light conditions. Wich rod monochromacy your vision is determined solely by rods. Cones are completely absent or not working.

Alex Loch describes his vision conditions as follows:

  • complete color blindness
  • sensitivy to light and
  • restricted field of vision.

Despite all this he competed in Jr. Olympic National Championships as a gymnast.

It is fantastic to see how people can despite handicaps reach their goals.

Further readings:
Wikipedia: Monochromacy
Wikipedia: Rod Cell
Wikipedia: Cone Cell