K-ION NANO is an eyeglasses with nano ion technology that can emit Anion or Negative Ions and Remote Infrared Rays in the form of nanoparticles which are very good for eye health.
An eye examination is performed by an ophthalmologist, optometrist, or orthoptist, optician, assessing vision and ability to focus on and discern objects, as well as other tests and examinations pertaining to the eyes.
Negative ions emitted by Nano K-Ion can enhance the immune system and strengthen bodily functions. Anion can also increase the oxygen supply around the eyes so that the eyes don't feel tired easily and stay comfortable.