What does ametropia mean

summary

Many people may have heard of the concept of ametropia, but they don't know what it means. In fact, ametropia is a symptom of abnormal eyeball. It refers to the symptom that the image 5 meters away can not be clearly imaged on the retina when the eyeball is in a relaxed state. After all, is to see things can not see clearly, then what are the symptoms of ametropia?

What does ametropia mean

One of the symptoms: myopia. Speaking of myopia, many people may suddenly realize that ametropia is myopia. It's just one of the symptoms of ametropia. At present, the rate of myopia in children and young people is high, which makes it one of the main symptoms of ametropia.

Symptom two: hyperopia. Hyperopia is often said to be hyperopia, which is also a kind of ametropia leading to blurred vision. Hyperopia generally can't see far or near clearly, so the eyes of hyperopia patients have been in the state of over regulation, which is easy to produce the symptoms of visual fatigue.

Third symptom: astigmatism. General nearsighted person goes to match glasses, sometimes match glasses division can tell you some eye has slight astigmatism. In fact, astigmatism is also one of the symptoms of ametropia. In general, slight astigmatism has no obvious effect on vision, and can be corrected by wearing glasses. If the astigmatism is serious, it will have a great impact on vision, which can lead to severe symptoms such as sharp decline of vision and frequent fatigue of vision.

matters needing attention

Ametropic amblyopia. Amblyopia is a common eye disease in children. It refers to the symptom that the visual acuity is still below 0.9 after binocular correction in the absence of other organic diseases. Severe amblyopia may also lead to strabismus, nystagmus and other symptoms.