glasses are eyeglasses with a series of -sized perforations which allows only a very narrow beam of light to enter the eye to reduce the size of the circle of confusion on the retina and increases depth of field. The glasses are suitable for people who are both near- and far-sighted to help them correct bad eyesight. It is really a wonderful glasses for choice.

Features

- Color: Black.
- Material: Resin, PC.
- Size: 15.00x4.00x3.00cm/5.89x1.57x1.18inch.
- Made of resin and PC material, these glasses are lightweight, comfortable to wear.
- You can refresh your eyes by through countless small holes.
- The glasses are not focused on the refraction of the lens, but on the small holes on the surface, just like the aperture of a camera.
- Visual ability: activate your natural visual ability to be clearly visible, specially designed to improve , specially focusing on eye problems.
- Scope of application: suitable for children, adults or the old who have myopia, hyperopia and astigmatism problems.

20 correction glasses

1.If you have some inquires or problems, Please feel free to contact us.
2.We will reply your email within 1 business day (except weekend).
3.When delivery is delayed or items are damaged during delivery, please email us first before you leave feedback. Thank you.