| 摘要 |
An indicating device (10, 100) for indicating the ametropia progression of a wearer over a predetermined period of time according to at least the type of ophthalmic lens the wearer may use, wherein - the device comprises first (12, 120) and second (14, 140) members connected together in a moveable manner, - the first member (12, 120) having a first field (22, 220) including a plurality of values of input data and a second field (24, 240) including a plurality of values of output data representative of the ametropia of a wearer, - the second member (14, 140) having at least a selection mean (40, 400) and an indication mean, - the selection mean (40, 400) being arranged to select among movement of the second member (14, 140) a value of the input data corresponding to a wearer and - the indication mean (28, 26, 30, 32, 36, 38, 280, 260, 300, 320, 360, 380) being associated with a type of ophthalmic lens and arranged to indicate among movement of the second member (14, 140) the value of the output data on the first member (12, 120) corresponding to the ametropia of the wearer after the predetermined period of time.
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