Mycoplasma infection is generally induced by cold, and when there is a situation of illness, the resistance will decrease, and the resistance will ……

Parallel rays of light from the outside world are refracted by the refractive system of the eyeball, and cannot form a clear focus on the retina, b……

Moderate to severe astigmatism, such as moderate to severe astigmatism above 150 degrees, not only causes clinical symptoms such as decreased visua……

There are also some children whose eyes develop very slowly, and at the age of five or six they may have a farsightedness of five or six hundred de……

Acquired astigmatism is mostly irregular astigmatism, which is mainly caused by corneal lesions, such as keratoconus, and the infection of the corn……

Generally speaking, children under the age of 14-15 are recommended to do dilated refraction, 14-18 years old advocate dilated refraction, and adul……

After the light enters the eye, the eyeballs cannot be gathered together because of the unequal refractive power on different meridians, so they ca……

What is astigmatism? Astigmatism refers to the fact that after the parallel rays are refracted by the refractive system of the eyeball, they do not……

Eyes are the windows to the soul, especially children's eyes, which should be protected from an early age. The eye is an important way for people t……

In daily life, there are many people who will have astigmatism, which directly and seriously affects their health. You need to pay attention to the……