Do You Know The Danger Of Bad Sunglasses For Eyes?
In the summer people like to wear sunglasses, this in itself is a kind of protection for the eyes, but be sure to wear qualified sunglasses.If you wear too inferior sunglasses, easy to make people's eyes tears afraid of light, this is mainly because some inferior glasses will make people's eyes in a dark environment, in a dark environment human pupils will automatically enlarge, resulting in glaucoma and other symptoms, today we will learn about the little knowledge about sunglasses.
1. The danger of bad sunglasses.
Poor quality sunglasses are more likely to cause more ultraviolet radiation into the eyes, which can lead to solar keratitis or damage to the corneal endothelium and diseases such as macula.Some darker-colored glasses are more likely to keep the eyes in the dark, causing the pupil to dilate automatically, which can cause symptoms like glaucoma.
2. Sunglasses should not be worn for a long time.
Wearing colored sunglasses for a long time can easily lead to visual fatigue in people's eyes. When you feel uncomfortable with your eyes, you must take off your glasses and close your eyes for a rest, so that your eyes can recover.People over the age of 40, in particular, and those with the glaucoma disease, should not wear sunglasses.Secondly, some children just go to school, their stereo vision has not yet developed completely and is not suitable for wearing sunglasses
3. The choice of sunglasses.
When choosing sunglasses, it is important to choose lenses that are smooth, uncorrugated, blemish free and bubble free.The color of lens had better with medium depth, such as light gray, light green, light tawny and so on, these colors to infrared ray, ultraviolet ray absorption protection effect is better.Even if you choose a dark lens, it is important to see the color of the surrounding environment without distortion after wearing the lens. The edge of the object is clear, and the signal lamp of different colors can be effectively identified as the main principle.
