Dual position ophthalmic apparatus

Details Dual position ophthalmic apparatus Dual position ophthalmic apparatus

2008-01-10

2011-12-20

Mack, Ricky (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

C351S237000, C351S239000

Reexamination Certificate

active

08079710

ABSTRACT:
An ophthalmic apparatus exhibiting a first position and a second position related by a rotation of 180° about a longitudinal axis. Automatic detection of the position is preferably provided, and the results of the detection are communicated to a computing unit portion of the ophthalmic apparatus. The ophthalmic apparatus exhibits: a first formation for receiving a user's head in the first position, which is in one embodiment a generally curved formation approximating the shape of the user's lower forehead preferably with an indent portion for receiving the user's nose when the ophthalmic apparatus in the second position; and a second formation for receiving a user's head in the second position, which is in one embodiment a generally curved formation approximating the shape of the user's lower forehead preferably with an indent portion for receiving the user's nose when the ophthalmic apparatus in the first position.

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patent: 2007/0121070 (2007-05-01), Alster et al.
patent: 2007/0159598 (2007-07-01), Yancey et al.

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