2017年9月11日星期一

What are the hazards of astigmatism?

1, visual fatigue: astigmatism due to the meridian of the meridian of the different parallel to the refraction of light can not focus on the formation of two focus line, so the brain is very easy to produce the choice of the elephant read. Because the astigmatism is easy to produce on the direction of the focus of the retina of the focal plane of the scene; another astigmatism in order to see the relative view of the scene as much as possible to adjust the size of the circle to reduce the size of the circle to improve the quality of the astigmatism if the correction of improper words Or do not wear a mirror easily lead to headaches. As fatigue and other symptoms, so astigmatism is very easy to produce visual fatigue.
2, amblyopia: more common in a high degree of astigmatism, especially hyperopia astigmatism, because it is not very far from the distance is very clear, vision is not exercise. Prone to amblyopia, followed by the tendency of strabismus

3, what are the hazards of astigmatism? In fact, regardless of the distant objects, as the object, are blurred, the patient often have the habit of narrowing the eyelids into a gap, in an attempt to make the object see more clearly.

4, vision loss: astigmatism away from the retina of the coke line direction of the visual color fades, the edge of the hair is not clear, not easy to identify, decreased vision, severe cases of diplopia. In addition to physiological astigmatism, the various astigmatism are likely to cause vision loss.

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