| 摘要 |
PURPOSE: An automatically controlled spectacles is provided to improve an user's eyesight by controlling automatically the movement of lenses of the spectacles. CONSTITUTION: An automatically controlled spectacles includes a main frame(1) having two side leg sheets(11). Slide slots are formed on the side leg sheets in order to extend a slide. The slide is connected to a lens frame(4). The slide is moved within the slide slot of the main frame(1) in order to drive the lens frame(4). A center of a lens is located on a visible line by correcting a refractive index of the center of the lens when an user hangs his head to read a document or write a sentence. The lens is moved to a front direction when the user hangs his head. The frictional force of lens due to the movement of the lens is controlled by a knob(3).
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