| 摘要 |
PURPOSE: A separation type sub-lens for spectacles is provided to attach an eyesight correcting lens to a glass inserted in a glasses frame, thereby able to decide a well-matched glasses frame with weak eyes. CONSTITUTION: A supplementary lens(30) for a sight correction is attached to a glass(20) inserted in a glasses frame. The supplementary lens for a sight correction is attached and detached by an attaching/detaching unit. The attaching/detaching unit comprises an iron plate and a magnet attached to both sides of the front of the glass. The magnet is attached to rear both sides of the supplementary lens for a sight correction. An iron plate(21) and a magnet are attached in a faced position. The iron plate is attached to the glass using a transparent tape or an adhesive. The size of the supplementary lens for a sight correction is smaller than the glass.
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