What disease is blurred vision precursor

Clinically, the causes of blurred vision vary from population to population. For children, blurred vision is a sign of myopia, including astigmatism and amblyopia. For the elderly, blurred vision is most common in cataracts and retinal diseases. For diabetics, blurred vision is a sign of diabetic retinopathy and cataracts. Therefore, when blurred vision, it is recommended to go to the hospital in time for examination.