Visual disability can be divided into blind and low vision. Low vision refers to patients who still have visual function impairment even after treatment or standard refractive correction, and whose vision is less than 0.3 to light perception, or the radius of vision is less than 10 degrees, but still can use or have the potential to use vision to do or prepare to do various work. Any device or device that can improve the mobility of patients with low vision.

The appearance of the proximity eyewear is like glasses. According to the different vision of the human eye, users can choose different varieties, with a large field of vision, which is used to see near objects near the object distance. It can provide convenience for people with low vision in reading, writing and working in close proximity, which is conducive to improving their quality of life.

Close to the hand-held visual aid 3 times, the working or reading distance can be changed, and the magnification can be changed with the change of the working distance. It can be used in combination with reading glasses, suitable for short time reading or working. Put the hand-held magnifying glass on the reading object, and slowly leave the reading object until the deformation around the image is minimal, and the distance between the affected eye and the magnifying glass can be adjusted to the best.

The vertical visual aid can be used in combination with reading glasses to increase the magnification. It is especially suitable for children and people with low vision who cannot use hand-held magnifying glasses. It is suitable for reading while writing.