Pinhole camera glasses 2020

2020 optometry fully considers the personal factors of each wearer, and makes customized glasses for everyone. In 2020 optometry not only strictly requires the degree of glasses, but also chooses comfortable frames for customers.

Pinhole glasses is a kind of special glasses with holes in the lens. Because it can block useless reflected light around, it can make the target object clearly displayed, exercise eye muscles and improve vision. 2. Characteristics

Pinhole glasses only have five holes each, but it can block the unnecessary reflected light around. The precise and scientific pinhole can accurately display the object you want to see. And it has the function of training eye muscles

3. Effect

Wearing eyeglasses can correct all kinds of poor vision caused by ametropia and abnormal adjustment, such as myopia, astigmatism, presbyopia, etc. Wearing eyeglasses with small holes can relieve the fatigue, tension and spasm of the regulating system of the eye, so as to achieve the purpose of prevention and treatment of juvenile myopia. Young people who have already suffered from myopia can get obvious effect in a short time by wearing eyeglasses. Young people without myopia wear eyeglasses can effectively prevent myopia. The lens of the eyeball is like a biconvex lens with refraction; If the human eye is compared to a camera, the lens of the eye is equivalent to the lens of the camera; The pupil of the eyeball is equivalent to the aperture of the camera; The choroid of eyeball is equivalent to the wall of camera darkroom; The retina of the eyeball is the film of the camera

It was more than ten years ago. At that time, the propaganda said that it was for the prevention and treatment of myopia. Ten years later, the answer has been clear that it is false. Why did you ask that again today??

Glasses are like this: two lenses are two opaque black plastic sheets with dozens of holes on them.

After wearing the eyes, you can see things through the small hole, because the light is seen through the small hole, which has the effect of depth of field. People with ametropia will feel clearer.

Its principle is the role of small holes, myopia wear more clearly, do not wear is not clear.