How is cataract caused

Update Date: 2021-09-11 Source: Network

summary

With the extension of life expectancy in the world, cataract patients will continue to increase. The most effective way to treat cataract is surgery. Through surgical treatment, the vast majority of patients can successfully restore vision. How is cataract caused.

How is cataract caused

First, hereditary congenital cataract usually exists before and after birth, and a small part gradually forms after birth. Most of them are hereditary diseases, which can be divided into endogenous and exogenous ones. Endogenous ones are related to fetal development disorders.

Second, people have noticed that sunlight is involved in the formation of human cataracts. Under the influence of ultraviolet light, phosphorus ion may combine with calcium ion in aging lens to form insoluble calcium phosphate, leading to crystal hardening and calcification.

Third: the formation of nutritional deficiency cataract is mainly due to the lack of glutathione, organic selenium, xanthin, zeaxanthin, glutathione peroxidase and other nutrients (functional ingredients), which are the main food for eyes.

matters needing attention

Senile cataract is the most common type of cataract. It is a kind of aging phenomenon. With the increase of age, the crystal will slowly harden and become turbid, which will cause visual impairment.