What are the symptoms of cataract?

summary

Cataract is an eye disease in the middle and old age, and the incidence rate of eye diseases is very high. In a recent survey, it shows that about 25% of human beings have cataract tendency, and over 80% are elderly friends. Senile cataract is now becoming a very important threat to our health, so we must pay attention to prevention. The symptoms of some cataracts are often different according to the different types of cataracts and the different course of disease. Cataracts are often caused by both eyes, but after the onset, they can also be caused first and then, because of the severity of cataract

What are the symptoms of cataract?

People with cataracts see things that overlap, contrast sensitivity drops under strong light, and glare occurs under night lights. There are also some, cataract patients will appear monocular diplopia or eventful, red, photophobia and glare and other symptoms, generally speaking, the process of these symptoms is relatively slow, but if patients will be accompanied by systemic diseases, such as diabetes, I am Yanju Bubi, such as high myopia, glaucoma surgery, cataract will occur earlier, progress faster.

The symptoms of nuclear cataract, such as high myopia, in the process of vision loss, there will be increased refractive power, that is, the original myopia increased or the original presbyopia reduced. Some people who usually need to wear presbyopia glasses, even after removing the glasses, can see clearly

Qualitative cataract will not affect vision in the early stage. After development, the vision is 0.6. We should read books and newspapers under strong light. Some people are dark, and reading under light is lighter. Turbidity will appear in the center. We feel that some people develop slowly, while others develop faster. This is a symptom of a cortical cataract.

matters needing attention

Some elderly people wear presbyopic glasses very early, and sometimes they will see things more clearly when they don't wear presbyopic glasses. This is an early signal of cataract. The early signs of cataracts also include lens opacity, the tool will be under when looking at objects, the color will be under when looking at objects, the dark adaptation ability is poor, and the time needed to see objects will be prolonged, etc.