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10 More Interesting Facts About the Eye

  1. The human eye can distinguish about 10 million different colors.
  2. The muscles that control the eyes are the most active muscles in the human body, moving more than 100,000 times per day.
  3. Your eyes start to develop just two weeks after conception, making them one of the earliest developing organs in the body.
  4. The average person blinks around 15 times per minute, which adds up to around 5.2 million blinks per year.
  5. Blue-eyed people have a common ancestor who lived between 6,000 and 10,000 years ago, and all people with blue eyes can trace their ancestry back to this one individual.
  6. Your eyes are always the same size from birth, but your nose and ears continue to grow throughout your entire life.
  7. Humans and dogs are the only animals that have a white part of their eyes, called the sclera.
  8. The pupils of your eyes can dilate or constrict in response to changes in light, but they can also be affected by emotions like love or fear.
  9. Your eyes can perceive depth because each eye sees a slightly different image, and your brain combines these images to create a 3D visual perception.
  10. Your eyes are able to focus on objects both close up and far away thanks to the action of the lens, which changes shape to adjust the focus.
David Greening David Greening, ABOC, BS(HONS) Ophth. Dispensing David is our resident optician, and has been in optics since 2002. He attained his Bachelor of Science degree in Ophthalmic Dispensing in Kent, England (2014). He has extensive experience, having managed his own practice for many years prior to arriving at Astorino & Associates Eye Center. He is a licensed American optician (ABOC) and is well-recognized for his quality of service, attention to detail, and patient care.

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