摘要 |
PROBLEM TO BE SOLVED: To provide variable focus lenses capable of securing user's safety, suppressing costs with more simple configuration, having a wide visibility angle, and allowed to be easily handled by the user because clear images can be obtained and a variable focus spectacles provided with the variable focus lenses. SOLUTION: Each of the variable focus lenses 10 in the variable focus spectacles 1 is provided with a solid lens 20 having transparent and rigid properties and forming an aspherical surface or a free curved surface on at least one of the front and rear surfaces of the lens, a transparent elastic film 30 having transparent and elastic properties, a transparent elastic body 40 having transparent and elastic properties and existing between the solid lens 20 and the transparent elastic film 30, a variable mechanism 50 for changing the shape of the transparent elastic body from the outside. COPYRIGHT: (C)2006,JPO&NCIPI |