What’s wrong with blurred vision up close and clear vision far away?

Blurred vision up close and clear vision from a distance is most common in middle-aged and elderly people, whose eye adjustments are gradually decreasing as they age. When the adjustment ability decreases to the point where it is not enough to maintain adequate adjustment, it will lead to blurred vision. If you have this kind of phenomenon, you need to go to the hospital for optometry and wear presbyopic glasses to ensure clear vision when you look close. There is also a situation in which the eyes are usually used more, reaching the state of adjustment tension, after the adjustment tension can not relax caused by the reduction of adjustment power, resulting in the use of adjustment when looking at the near, looking at the near will produce a certain blurred phenomenon. You need to go to the hospital to do the adjustment function training, generally after relaxation and training, will gradually restore the adjustment function, to achieve the effect of looking at the near clear.