Product Description
Anti-Myopia Pen/Myopia Prevention Pen/Intelligent Vision Protection Pen：
1.Working Theory: The pen is a high-tech patented product, with built-in infrared sensors and smart chip. When a student's writing , If not seated correctly,that is to say, the distance between desktop and the eyes is less than the distance corresponding to the height of a person, the infrared sensor will detect the user , then through the role of the smart chip, cartridge will be automatically retract into the pen holder, forcing the user can not write. On the contrary, when the students sitting correctly, writing to maintain the normal distance from eyes and desktop, smart pen will be able to write properly. So as to scientifically achieve to rectify the students the wrong posture, developing good writing habits--straight-sitting , effective protection of eyesight to myopia; and can help a child with mild myopia and kyphosis to have an effective remedy.