Wear the sunglasses and view and admire the total solar eclipse dangerously

Wear the sunglasses and view and admire the total solar eclipse dangerously
Wear the sunglasses and view and admire the total solar eclipse dangerously
It is reported ' Reporter Hu DeRong) In the morning of July 22, total solar eclipse will cover the whole the Yangtze River valley 12 pieces of province and autonomous region, city of our country, expected to have 400 million people to view and admire this astronomical wonder when the time comes. For this reason, hospital of ENT dept. of subsidiary eyes of Fudan University, the subsidiary Shanghai children ophthalmology expert of the medical center of Shanghai Communications University medical college reminds people repeatedly when being interviewed by reporter on July 19, especially the child: Can't view and admire the total solar eclipse directly with the naked eye, should prepare the professional filter, so as not to burn eyes; Viewing and admiring time each time should be controlled within 3 minutes, don't be over 5 minutes at most. The ophthalmology expert says, the long wave, shortwave, infrared ray and ultraviolet ray in the sunlight stimulate eyes in a moment, the light will focus on the retina through the eyeball, makes the retina burn. The strong light will also make the most important position macula lutea in the retina damage, influence eyesight, cause permanent eyesight to drop, even will cause and lose one's sight. The ophthalmology expert emphasizes, this course of total solar eclipse will last more than 2 hours, rest that should pay attention to eyes while viewing and admiring, don't stare at for a long time. Generally watch that should have a rest for a moment 3 minutes later. Because the course of the whole total solar eclipse is relatively long, can appreciate slowly. And while viewing and admiring, should prepare the specialized filter or optical filtering membrane. The ophthalmology expert points out, some common ones view and admire the mistaken idea to avoid. For example wear the sunglasses to view and admire, in fact this is very dangerous viewing and admiring the total solar eclipse method, will injure eyes. When is it can watch think experts ophthalmology until an overall the beginning lose to total solar eclipse by naked eye directly, food already, food very, grow all, in 5 period of stage fourth contact, only during the course of taking place in total eclipse,namely food already, food very, all without being grown 4 minute in stage is in 5 minute, can watch directly with the naked eye after thatting is to say it is getting dark.


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