Ophthalmic diagnostic apparatus for different types of tests

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type

Reexamination Certificate

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C351S200000, C351S239000

Reexamination Certificate

active

07438417

ABSTRACT:
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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patent: 30 43 511 (1982-06-01), None
Translation of p. 10, line 20, to p. 11, line 12 of DE 30 43 511.

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