Blink your eyes while watching your phone

Blink your eyes while watching your phone
Blinking 深圳桑拿网 is a physiological phenomenon that most people don’t notice.According to the statistics of the American “Psychological Science” magazine, under normal circumstances, the average person per 4?Blink once every 6 seconds, which means an average of 12 blinks per minute.5 times, excluding 8 hours of sleep, a person can probably blink 1 times a day.20,000 times.Zhang Jian, chief physician of the ophthalmology department of the First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, told the Life Times reporter that normal blinking helps tears lubricate the cornea, clean and moisten the eyeballs, and help the eyes remove dust and other foreign objects.Blinking frequency is also affected by other factors. For example, when a person is nervous, the blinking frequency becomes faster. Children with multiple transients and 杭州桑拿网 tics may cause blinking. Parkinson ‘s disease may reduce the blinking frequency.In addition, in the face of the computer and mobile phone screen, the frequency of blinking will naturally decrease, reducing to 4?6 times.Moreover, because people maintain a certain focal length for a long time while watching the screen, it can cause visual fatigue. The common symptoms are not working at close distances, pain in the eyes and around the eyes, blurred vision, dry eyes, tears, etc., and even severe headaches.Nausea and dizziness.Zhang Jian said that the lens in the eyeball has a wavelength of 400?The 500 nm cyan, blue, and purple light has almost no blocking effect.Therefore, the blue light emitted by various electronic screens will directly pass through the lens to the macular part of the retina, which will cause eye fatigue, and will accelerate the process of eyeball turbidity over time.Zhang Jian recommends that you control the time you use electronic devices and do not continuously watch any electronic screen in a dark environment.Take a rest for ten minutes every thirty or forty minutes, and consciously blink or do eye exercises to regulate eye muscles and blood circulation and reduce discomfort.In addition, before going to bed every night or waking up in the morning, apply a towel soaked in warm water at about 40 ° C to your eyes for about 10 minutes each time.Those in need, under the guidance of a doctor, rationally use eye drops that relieve eye fatigue.In diet, eat more foods such as animal liver, corn, carrots, tomatoes, broccoli, spinach and other vitamin A supplements, as well as deep-sea fish with omega 3 fatty acids.▲ (Reporter Jiang Yue)