10 Facts About Our Eyes
If you're reading this article and under 40 years old with perfect visibility, I can say with (absolute certainty) that you will need glasses to read at some point in the future. 99% of the world population will require reading glasses at the age between 43-50 years. This is because the eye slowly began to lose the ability to focus with age. When we see things around us, our lens shape changes from flat to form a more rounded, and we will lose this ability when we are getting old. And when we are aged around 45 years, we'll start seeing things that are more distant from us to make our eyes fixed focus lens.
9. The lens in our eyes faster than any camera lens
Just behind the pupil of our eyes there is a function of the lens to focus on the object being seen. Try to take a minute to glance around the room and you try to think how much distance between you and objects around you. Every time we do this, we change the focus of the lens without us knowing it. Bandngkan with a camera lens that takes a few seconds for the distance of one another. We are thankful we can as fast as the eye lens, and may continue to vary each time.
8. Our eyes are fully developed at age 7 years
At the age of 7 years we have fully developed eyes, and physiologically has a shape similar to the adult eye. It can serve as an important reason for the cure "lazy eye" (a condition where visual acuity can not be optimal) before we reach this age. The earlier "lazy eye" diagnosed the greater the chance for cure, because the eye is still evolving and still subject to change in vision. After the age of 7 years there is no treatment that can alter eyesight.
7. We Blinking Eyes Around 15,000 Times Every Day
Blinking is a function of the semi-conscious eye, this means that the flashing is not only done automatically, but people can also be forced to blink when needed. The eyes blink about 15,000 times per day. Blinking is a very important function of your eyes because it helps remove dirt on the surface of your eye, by spreading fresh tears over them. These tears help to nourish your eyes with oxygen and also has anti-bacterial essential. You can assume the function of flashes similar to the function of the wipers on your car, clean up and remove all things to make you see clearly.
6. Any Person Will Have When They Old Cataract
People do not realize that the cataract is a normal consequence when reaching old age and every person will experience it at certain times in their old age. You can assume the same cataract-turned-white hair that is naturally changes with age. The average age of people first got the cataract is around the age of 70 years and 80 years, you are guaranteed to have a cataract! This is the same as you are not likely to find people aged 80 years without a white hair, as well as you will not find people aged 80 years without suffering from cataracts.
5. Diabetes Often Detected First Time By Doing Eye Test
People suffering from type 2 diabetes (the type that will develop later in life) often experience symptoms-free, which means they often do not know they have diabetes.This type of diabetes usually can be identified by the eye test, because it can be seen as minor bleeding from the leaky blood vessels behind your eyes. This certainly is a good reason for regular eye tests.
4. People See By Using the Brain, Not Eye
The function of your eyes is to gather all necessary information about the object you want to see. This information will then be forwarded from your eye to the brain via the optic nerve. This is the brain (visual cortex) where all this information is analyzed to allow you to 'see' objects in the form becomes. This is not to say that your eyes do not play an important role because of course they have an important role.
3. Your Eyes Can Adapt With Blindspot (Blind Spot) In Your Sight
Certain eye conditions such as glaucoma and certain health conditions such as having a stroke, can cause you to develop a blindspot in your sight. This can be very debilitating if not for brain and your ability to adapt to make it disappear blindspot. This is done by pressing the blindspot in the eye is broken and let the other eye is healthy to "fill the vacuum" created by the eye is broken.
2. 20:20 Sight Is not Seeing What You Can Have The Best
When people hear the term vision 20:20 *, they assume that this is the best size of eyesight. But this is not true that the 20:20 vision referring to what the average adult should be able to see. If you imagine a typical test eye chart, eyesight 20:20 maybe only a second line from bottom. Bottom line is even lower than 20:20 vision and this means you may have to have vision 20:16. So do not be too impressed when someone tells you that they have a vision 20:20.
* The meaning of 20:20 vision is: number 20 which indicates the distance in front of you with things you see, which is 6 meters. Meanwhile, behind the number 20 which states that the object can still be seen clearly by normal vision from a distance of 20 meters. 20:20 And the vision is regarded as a measure of the best views. But the reality is different.
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1. Watery Eyes When Will They Dry
It may sound crazy, but this is one strange fact about your eyes. Your Tears consists of 3 distinct components: water, mucus and fat. If these components are not exactly the right amount, then your eyes can become dry. Your brain's response to drought by producing extra water.
1. Watery Eyes When Will They Dry
It may sound crazy, but this is one strange fact about your eyes. Your Tears consists of 3 distinct components: water, mucus and fat. If these components are not exactly the right amount, then your eyes can become dry. Your brain's response to drought by producing extra water.
