(Y)Pinhole Glasses / Grid Glasses For Eye For

describeWide range of uses: Pinhole glasses are suitable for nearsightedness and farsightedness, and can be used for refractive errors such as nearsightedness, farsightedness, astigmatism (astigmatism) or presbyopia. In summer, they can also be used as sunglasses. Eye Muscle Training: Glasses are often used for personal naturopathic eye training/eye gymnastics. It can be worn while training, or while reading in everyday life, working on a computer or traveling. Good for Relaxation: Perforated glasses are used for visual relaxation/restoration of the eyes due to the significantly reduced incidence of light. Rationale: This phenomenon is a phenomenon of narrow gaps. By changing the light that falls into the eye, the image on the retina of the eye can be fine-tuned. The subjective impression is a sharper image. Data: Material: Plastic, Weight: 24g, Size: Rod length about 140mm, width about 150mm, Color: Black