跳至主要内容

Unexpected Fun Facts About Eyes--- II. Powerful Eyes



Last time, we talked about some interesting 
facts about our changing eyes. And today our topic is powerful eyes. Through today's reading, I do believe you would amaze at our eyes!

OK, let's start today's reading.👇👇


Powerful Eyes



😀Most parts of the body take a certain amount of time to become active, stimulating their potential, while the eyes are active 24 hours a day.
😁Normal adult eyeballs have an average anteroposterior diameter of 24 mm, an average diameter of 23 mm, and a weight of about 8 g.
😃 Among all the muscles in the body, the muscles that control the eyes are the most active.
😄 There is a small blind spot behind the retina of each eye, which is connected to the optic nerve. The reason why you don't feel it is because of the compensatory effect of the other eye.
😆The size of the human eye remains essentially unchanged from birth, while the ears and nose are constantly growing.


😇Most people think that tears are only composed of water. In fact, tears are mainly composed of three components: fat, mucus and water.
😉 Only one-sixth of the human eye is exposed.
😊 People spend an average of 24 million different pictures in their lives.

😋When a person's eyes are tracking a moving object, it can only do smooth motion and cannot jump.
😛 On average, each fingerprint has 40 unique features, while the iris of the eye has 256. Therefore, retinal scanning is increasingly used in many fields such as security inspection.
😜The human eye contains 2 million "parts" for maintaining normal visual function.

https://www.zinff.com/

评论

此博客中的热门博文

How to choose the frames? (2)

3, On the logo - look at the material. Many frames will be framed on the temples, especially the precious metal frames of gold and titanium. Let's take a brief look at their logo. (1) GF/GP: GF is a gold-clad frame, which is a frame obtained by welding thin gold sheets on other metal substrates; GP is a gold-plated frame, that is, gold is plated on other metals. (2) Ti-P/Ti-C: Ti is a mark containing a titanium material, Ti-P represents pure titanium, and Ti-C represents a titanium alloy or the like. By the way, what is the difference between titanium, titanium alloy, beta titanium, and memory alloy? A. Pure titanium. Titanium metal materials with a purity of more than 99% of titanium can be used as pure titanium glasses. The frame made of pure titanium material has excellent characteristics such as high melting point, light material, strong corrosion resistance and firm plating layer, which can ensure the two important performances of the eyeglass frame beautiful and durabl...

Different reading habits lead to different gaining

The difference between humans and animals is that people have ideas. In the human ideological system, people are not seeking to food, clothes, house, but information, knowledge, art, and spirit. The main carrier of these ideological wealth is reading, and another is practice. Today we are going to talk about reading. The main purpose of reading is to acquire knowledge while obtaining valuable information and spiritual feelings. There is a gold house in the book. Books have made human beings, and have also been beneficial for the transmission and inheritance of culture. Why do human being need to study? Some people say that reading is for the integrity of life, and I think reading is for the richness of life. The meaning is the same. If you divide your life into two parts, one part is material and another part is thought. This is also the essential difference between humans and animals. We divide our thoughts into six levels, followed by stimulation, leisure, inform...

How does a Poet Put Bread on the Table

Adrienne Rich refers in his article that how does a poet put bread on the table? Rarely, if ever, by poetry alone. Of other poet I know,most teach,often part-time, without security but year round. Inherited wealth accounts for the careers of some poets: to inherit wealth is to inherit time. That means that poetry can not provide too much wealth for poet’s living. Even these realities stand before poets, they still try their best to spare time into literary creation to gain inner satisfaction. In order to pursue the pure inspiration, many poets choose to work less. Less labour ensures there is no interruption to put out their flicker. Rich says that often such time fees like a luxury, guiltily seized when it can be had, fearfully taken because it does not seem like work, his abeyance, but like “wasting time” in a society where personal importance can hinge acting busy, where the phrase “keeping busy” is a common idiom. The creation of poetry requires for free time to swim...