9 d to join manufacturer, 9 d glasses little damage to the eyes!

normal eyes are about five centimeters apart. Two eyes in addition to look straight ahead, see anything, the Angle of the two eyes are not the same. Although the image gap is very small, but the image by the eye to the brain, the brain is with this small gap, feel and depth, resulting in a stereo feeling.

9 d movie film is to use two lenses from two different directions at the same time a image of the scene, made into film. When screening, the film showing the two groups with two projectors, make this slightly different overlap between two images on the screen. At this moment if use eyes to watch directly, see picture is ghosting. When wear special 9D VR cinema glasses ( In fact, a kind of polarized glasses) , left eye can only see the left and right eye can only see like, right through the aggregation function will be left and right eyes like fold and on the fundus, three-dimensional visual effects generated by the brain. This is the principle of 3D movies.

the cause of the eye discomfort

9 d see three-dimensional film films, and what we see at ordinary times real stereo is not the same, 9D VR cinema movie film is the result of the virtual simulation. The virtual simulation of stereo feeling the viewer's eyes need to continue to exercise the muscles of the eyes, which can adjust the tension to complete.

time in movie theaters dark environment, as well as the effects of the strong light stimulus, these can make the person's eye fatigue. Plus the movie plot tension, the audience for a long time open your eyes, emotional, in this case, may appear eye discomfort, and even lead to acute glaucoma.

the method of protecting our eyes

as far as possible to choose the appropriate seat, screen can't be too close. Seat from 15 to screen 20 meters is best.

choose better equipment to cinema to watch.

myopia, hyperopia, astigmatism, you must wear corrective lenses.

eyes degree difference is greater than 250 degrees, it is best to wear contact lenses.

9 d movie movies, every once in a while is a close their eyes closed, let your eyes relax. Advice to see 15 20 minutes to remove the 9 d glasses, close your eyes a rest for 2 minutes.

inside and outside of intermittent strabismus and collection function is poorer, when feel tired immediately come out to have a rest.

40 and older with a family history of glaucoma, should avoid to stay too long in a dark environment, light environment should be interval of half an hour to rest 5 - For 10 minutes.

can do more eye exercises in my spare time.

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