When the sunglasses are worn, the visible light entering the eye is reduced and the pupils are naturally enlarged. This change of pupil has no effect on healthy people, but for glaucoma patients, it increases the barrier of aqueous circulation in the eye, which can easily induce acute episodes of glaucoma, redness, eye pain, headache, nausea, vomiting, and sharp decline in vision. And other symptoms. Therefore, glaucoma patients or suspected glaucoma, do not wear sunglasses.
2. color blind patients.
Some color-blind patients have a lack of discrimination in several colors, and they are even more incapable of distinguishing colors when wearing sunglasses.
3. patients with night blindness.
Night blindness is caused by a lack of vitamin A, which causes vision to be affected in dim light. Therefore, sunglasses will affect the vision of people with night blindness.
4.patients with optic nervitis.
Wearing sunglasses can aggravate the optic nerve conduction disorder in patients with optic nerve retinitis and affect the recovery of the disease.
The visual function of children under the age of six has not yet reached normal levels. The New Vision Eye Hospital said that if you wear sunglasses for a long time, it will affect the child's visual development. It can even lead to amblyopia.