A person’s eyes can be very noticeable. When you see someone, one of the first things that you may notice are the person’s eyes. Eyes truly are a mystery, perhaps that is why they are called “the window to the soul”. There are many different things that set eyes apart from anyone else. Here are some things that you may not have known.


  • Eye colors can change. Blue and green pigments are not present in the human iris or ocular fluid, so depending on lighting conditions your eye color can change.
  • If you have blue eyes, you share a common ancestor with all other blue eyed people.
  • Each eye has over 100 million cells that are all sensitive to light.
  • 20/20 vision is considered normal vision.
  • If you wear glasses that flips images upside down your brain will eventually correct it.
  • Your blink an average of 17 times per minute
  • The phrase “in a blink of an eye” is said because the eye is the fasted muscle in the body.
  • You will most likely need reading glasses when you are older.
  • An eyes lens is faster than any cameras.
  • Blinking is a very important bodily function.
  • Everyone gets cataracts when they are older.
  • Diabetes is often first detected during an eye exam.
  • You see with your brain and not your eyes.
  • Your eyes can adapt to blind spots.
  • Your eyes water when they are dry.
  • Eyes heal quickly.
  • Newborns don’t produce tears.
  • Eyeballs cannot be transplanted.
  • Some people have two different colored eyes.
  • The eye muscles are the most active.
  • Your eyes are made up of more than 2 million working parts.
  • Sharks and humans have similar corneas which means that they can be used as replacements in human eye surgeries.
  • 80% of eye problems are avoidable or curable.


Eyes are very important, which is why it is important that we take care of them. When it comes to keeping your eyes in good shape, contact Galanis Cataract & Surgery Center—your St. Louis multifocal IOL company—today.

Galanis Eye Center

Writer at Dr Galanis
Avid lover of guitars, surfing and his family. Currently working as a website designer and Las Vegas SEO at Raptor Websites.

Latest posts by Galanis Eye Center (see all)