The Human eye

The human body is a very complex system where you can find the most interesting creations of life. Our organs have been developing for thousands of years, and the results of this long time of evolution, are simply amazing. For me, the most amazing one is the eye, the organ that helps the brain to see the world by transforming the light into electrical impulses. Back in time, the eye was a huge advantage to survive, with the sense of vision we could see the predators around us and escape from them. We started using it to see what we were hunting, eating and distinguish colors, animals, in general, all the things in the world. In spite of the amount years of evolution, the eye has the same function has many years ago, as I said, with our eyes we can see the world and distinguish the things around us. If you forget where your eyes are, they are in the middle of our face, separated by our nose. The typical adult eye has an anterior to posterior diameter of 24 millimeters, a volume of six cubic centimeters, and a mass of 7.5 grams. 

However, they can be affected by some illnesses caused by many factors, the most common are: 

 

1. Cataracts

2. Diabetic Retinopathy

3. Macular Degeneration

4. Refractive Errors

5. Glaucoma

Here is some tips to protect your eyesight, by keeping it healthy. 

1. Find out if you are at higher risk for eye diseases.

2. Have regular physical exams to check for diabetes and high blood pressure

3. Look for warning signs of changes in your vision

4. Exercise more frequently.

5. Protect your eyes from harmful UV light.

6. Eat a healthy and balanced diet

7. Get your eyes checked at least every two years

8. Don't smoke.