"Eye" is a common word used to represent human eyes in English. It is a singular noun and can also be used to represent the eyes of animals. "Eye" refers to the organ in the human body and animals that specially observes the external environment, and is responsible for receiving light, converting it into nerve signals and transmitting them to the brain for analysis and resolution.

Expand knowledge:

Here are some details about the eyes:

1, structure

The eye usually consists of retina, sclera, iris, cornea, lens and vitreous body. Retina is the innermost tissue, which is responsible for converting imaging photon signals into neural signals in the brain. Iris has the function of regulating pupils. The lens is a kind of biconvex lens in the eye, which can change the focal length of the eyeball. Cornea is the transparent tissue on the surface of eyeball, which protects eyeball and focuses light on iris by scattering and refracting light.

2. Function

As one of the most important sensory organs in human and animal bodies, eyes are mainly used for visual perception and discrimination. The human eye can scatter, refract, adjust and focus light, get a lot of information, understand the information of the surrounding environment, distinguish people, things and things around, and react to them.

3, common diseases and prevention

Eyes are often affected by many different diseases, such as glaucoma, cataract, keratitis and eyelashes. In order to reduce the risk of eye diseases, we need to pay attention to the following preventive measures: exercise moderately every day and keep enough sleep; Get rid of the harm of toxins in harmful substances such as tobacco to eye tissues; Stay away from excessive use of electronic screens or activities with poor light; Check your body regularly and maintain your eyes.

In a word, the eyes are one of the most important sensory organs in human and animals, which are responsible for obtaining a lot of information, distinguishing colors and objects, and ensuring safety. At the same time, in order to keep our eyes healthy, we need to form good habits and check them regularly.