Glasses astigmatism symptom?

summary

Astigmatism is a kind of abnormal refraction of the eye, which is related to the curvature of the cornea. The human eye is not perfect. The cornea of some eyes is curved at one angle, while the cornea of others is flat. Glasses astigmatism symptom? Let's talk about it.

Glasses astigmatism symptom?

Symptom 1: visual fatigue: astigmatism due to the different refractive power of each meridian, refraction of parallel light can not form a focus, but two focal lines, so the brain is easy to produce selective interpretation of the image.

Symptom 2; Vision loss: astigmatism eyes far away from the retina focus line direction of the target color becomes pale, the edge of the virtual unclear, not easy to identify, vision loss, severe diplopia.

Symptom 3: if it's a little serious, whether it's far or near, it's blurred. The patient often has the habit of half closing the eyelid and narrowing it into a gap, trying to make the object see more clearly.

matters needing attention

1. Mainly let your eyes rest more, go to bed early, get up early, go running, watch more green plants, then do eye exercises, wash your eyes with appropriate salt water, no matter reading, watching TV or computer, the time should not exceed one hour, rest for three or five minutes. 2. Reading time line to be adequate, the best light from the left rear; Reading posture should be correct, and keep the distance between 30 cm and 40 cm; Don't read in a rickety car or lie down. When choosing reading materials, the font should be clear, not too small. Reading for less than an hour, every 30 minutes rest for 5 minutes, this can effectively prevent the occurrence of astigmatism.