| 摘要 |
This apparatus, for measuring in particular the pupillary distance and the height of the optical centres on frames, comprises in combination a sensor 1 of the CCD type, comprising an array of charge-coupled photosensitive elements, first electronic means 3 for processing the signals supplied by the said sensor, second electronic means 4, 5 for storing the processed signals, a device 6 for displaying an image consisting of the said stored signals, a microprocessor 7 and a control keyboard 9 for performing calculations on the said image. <IMAGE>
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