In order to meet the demands of the people who have suffered from vision problems but want to wear sunglasses to protect their eyes from the harmful rays of the sun as well, the eyewear manufacturers have produced magnetic clip-on sunglasses. This kind of sunglasses is made of two parts, namely a pair of common prescription glasses and two clip ons which are secured on the frame with magnets. With these sunglasses, the people with vision problems will no longer need to take two pairs of glasses, one is for vision correction and another is for eye protection, at all times.
Even with this great convenience, some people will doubt whether the magnet embedded in the sunglasses is harmful to our health. In my opinion, magneto therapy apparatus, cellular radiation, radiation inducing variation and sunlight all influence the organisms via electromagnetic wave, so if there is electromagnetic wave, there must be certain effect. As for whether the effect is positive or negative, I am not sure. From the perspective of variation, there are beneficial and harmful variations. Therefore, it is uncertain that the interference of the electromagnetic wave is going to induce cancer cells or arouse the potential.
When it comes to the magnetic eyeglasses frame, I suggest you use it when necessary. Just like the foods we have every day, they include nutrition and unnecessary elements. The later will become toxin if a large amount of them are accumulated, but a majority of them are excreted from the body. For this reason, if you love such sunglasses frame, just go and purchase it. However, if you worry about that it will do harm to your health, you are not suggested to buy it as any mutagens have both positive and negative effects.
Consequently, we cannot say the magnetic eyeglasses are harmful to our health surely, they just have some effects to our health. As for whether the effect is good or bad, god knows.