What kinds of cataracts are there? What are the causes of these cataracts?

1. Senile cataract: It is an age-related cataract, mainly due to protein's degeneration, increased insoluble protein, sodium and calcium, decreased potassium and vitamin C, and glutathione deficiency.

2, congenital cataract: also known as developmental cataract, endogenous and exogenous. Endogenous causes are related to fetal developmental disorders and are hereditary; External cause refers to the damage of lens caused by systemic diseases of mother or fetus, such as rubella, measles, chickenpox, mumps, hypoparathyroidism, malnutrition, vitamin deficiency and other viral infections. In the first six months of pregnancy, this may be caused by.

3. After cataract: After extracapsular cataract extraction or linear cataract extraction, the remaining cortex and capsule are turbid.

4, traumatic cataract: common car accidents, blunt injuries, sharp stab wounds or penetrating intraocular foreign body injuries.

5. Metabolic cataract: Diabetic cataract is common in clinic.

6. Complicated cataract: including mechanical, radiation, electric shock and lens opacity caused by some eye diseases, such as iridocyclitis, choroiditis, retinal detachment, retinitis pigmentosa, glaucoma, high myopia, suppurative corneal ulcer, old eye trauma and other eye diseases can all cause complicated cataract.

7. Drug-induced toxic cataract: caused by long-term local or systemic use of corticosteroids.

8, radiation cataract: mostly caused by radiation.

Baoding xinshi ophthalmology hospital