A white circle around the eyes of the elderly may be caused by cataract, posterior vitreous detachment, corneal senile ring, etc. Its onset is related to age and disease.
1. Cataract: it is a kind of degenerative changes in the aging lens, age, diabetes, high blood pressure, etc. is the causative factor of cataract. It is usually treated by surgery.
2. Posterior vitreous detachment: the vitreous body gradually liquefies with age, and in the elderly, the vitreous body further liquefies and posterior detachment occurs, and the separation of the vitreous body and the optic disk can be seen as a dense cloudy ring during examination. Generally no treatment is needed.
3. Corneal senile ring: it is a kind of degenerative disease of cornea, caused by lipid deposits in the periphery of the cornea, mostly seen in the elderly, and its onset may be related to heredity, hyperlipoproteinemia, and elevated serum cholesterol. Generally, no treatment is needed.
It is recommended to go to the hospital for examination and treatment as soon as possible.