Our Vision
Our vision is one of the most important senses that we have. We use it to find our way around our environment. We use it to find beauty in our world, as well.
Our eyes are one of the most impressive organs that we have. They are powerfully complex and can do amazing things. You need to make sure you take care of them by having regular checkups.
Part of a regular checkup is to have your eyes checked by reading an eyechart that has different shapes or letters printed on it for you to read. There is also a machine that you can use that does the same thing. One such machine is made by Depisteo that is used to check a variety of functions of the eye. It is easier to use and more accurate than just an eyechart.
This article will give you some interesting facts about your vision and your eyes. It will help you to learn more about it and how it works. You can also learn more about it by doing more research to find the information that you are seeking.
Interesting Facts
- About Fifty Percent of Your Brain is Used for Eyesight – According to a research study published by the University of Rochester, you use about fifty percent of your brain for eyesight: https://www.hajim.rochester.edu/optics/research/vision_optics.html. Your eyes function similar to a camera. The brain can process what you see instantly and uses more than one hundred billion neurons to help process that information.The cones and rods in your eyes convert visual information into electronic information. The optic nerve will then transfer this information to the visual cortex which will then decode the data to form a clear image. Your brain will process this data in just thirteen milliseconds.
- You Will Blink More than Fourteen Thousand Times a Day – You blink many times during the day without even noticing it – it is similar to breathing – it is just something you do. You will blink about fifteen to twenty times per minute, which means nine hundred to twelve hundred times per hour. This means about four hundred times per day.
- More Men are Color Blind Than Women – People are color blind due to a genetic disorder or because of a health condition. It affects one in twelve men and one in two hundred women. See more here. Color blindness is found on the X chromosome which is why it affects men more.
- An Eye Exam Can Find Other Health Problems – Many of the first clues about major health issues come from eye exams. People are more likely to get an eye exam than other types of health exams and therefore find out about these problems sooner. The biggest health issues that can be detected through an eye exam are diabetes, high blood pressure, cancer, and heart disease.
- Some People Can See Up to One Hundred Million Colors – There are three types of cones in your eye that helps you to see all the colors. Each of these cones can detect one hundred different shades of color – this results in an estimated million different color combinations. Most people see about one million colors, but some can see more than one hundred million colors.
- Blue Eyed People Have One Common Ancestor – Researchers have determined that people with blue eyes have one common ancestor going back about six to ten thousand years ago. This is due to a mutation that occurred in the gene that is known as HERC2. This gene deactivates the OCA2 gene which causes your eyes to be brown – which is thought to be the original eye color.
- Your Eyes Can Be Sunburned – Your eyes can be burned by the sun or tanning beds just as your body can. This is known as photokeratitis and is caused by the ultraviolet rays from the sun. The cornea can be damaged from these UV rays and can take a couple of days to heal from this.
- You See More Shades of Green – The eye has a wavelength that goes with each primary color. The upper wavelength is red, the lower one is blue, and the middle one is green. Since perception is best at the center of your visual range, it is easier to see green colors.
- Your Emotions Shape What You See – Other studies have shown that your emotional state can influence your vision. During this experiment, people were shown positive and negative images which then led to positive or negative experiences. Positive images led to positive experiences, and negative images led to negative experiences.
- The Cornea Heals the Fastest – The cornea is an invisible layer that covers the eye’s front portion. It has no blood vessels and receives its oxygen through the air. This makes it easier to heal when it is hurt.
Conclusion
The eyes are fascinating organs that you have to see the world around you. They can do amazing things that you wouldn’t expect. You need to take care of your eyes and your vision so that you can participate in the world around you.
