Overall, the pinhole glasses can help protect your eyes and prevent myopia intensified. Pinhole glasses are a natural, harmless way to correct and improve the vision. Of course, pinhole glasses will not damage your eyes. Account of their principle, to reduce the light entering the eye around, maybe you have appeared in some discomfort symptoms, but you only need a short rest. As long as you get used to them, these uncomfortable symptoms will disappear.
From the scientific saying, the pinhole glasses will not damage your eyes. Instead they will protect your eyes, making the prevention of your intensified myopia. Wearing the pinhole glasses, your vision will be get corrected and improved. In some situations, you may feel uncomfortable when the light enters the eye around. What you do is to have a short rest. If you get used to wearing them, all this discomfort will disappear.
Of course not. It will not damage your eyes but improve your vision. As we know that unlike conventional prescription glasses, pinhole glasses produce an image without the pincushion effect around the edges so that they can simply allow your brain to more easily decide how to focus. Also, they are known to be useful for people who are both near- and far-sighted but you have to pay attention to something like that the worst you can do is to make your eyes tired by giving them too much exercise. So you should reduce the amount of time you spend each day exercising your eyes. Or you will damage your eyes even your sight.
Well, as a matter of fact, such kind of glasses is designed to protect your eyes and make them better. Despite the fact that it looks strange, the design aims to promote your vision. When you watch TV, you can wear them. But if you really want to buy a pair, you'd better visit an eye doctor and seek professional advice and see if he can design one for you. That would be the best situation.