| 摘要 |
An ophthalmic diagnostic apparatus, includes a first body ( 6 ), for viewing from a given position ( 4 ) and a second body ( 7, 8 ), for viewing from the position ( 4 ), each embodied for display of ophthalmic test patterns, the second body ( 7, 8 ) for viewing, being arranged between the first body ( 6 ) for viewing and the given position ( 4 ). The apparatus further includes a control module ( 5 ) for the first and second bodies for viewing, embodied for arranging the bodies in a first configuration in which the second body ( 7, 8 ) for viewing is in a condition giving symbols and the first body ( 6 ) for viewing is in a plain condition and a second configuration in which the second body ( 7, 8 ) for viewing is in a transparent condition and the first body ( 6 ) for viewing is in a condition giving symbols.
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