| 摘要 |
PURPOSE:To supply a spectacle lens with optimum thickness by sending various kinds of information on the precision value, kind, and the shape on a spectacle frame and a lens from a shop to a factory. CONSTITUTION:The kind of a frame (synthetic-resin made, metallic, nylon-yarn fixed, etc.), the shape of the frame (distance between frame center, noise witdth, lateral width and longitudinal width of one eye, etc.), position information on a lens prescription value in the frame, i.e., and pieces of information on distance between user's corneal peaks, optical center of the lens, arrangements of the near view area of a multifocal lens in the frame, etc., are obtained at an optician and those are inputted to a manufacture factory through online transmission by using a computer, etc. Those abundant data on the frame shape is inputted to the computer for supplying lenses with optimum thickness; abundant data such as distance data from a frame center O to plural points n1-nn are inputted and outputted, article number by article number, simularity of design and size are inputted and the frame drawn on a lattice-shaped chart to obtain data, etc. is inputted and outputted. |
