Vision testing device
First Claim
1. A vision testing device comprising:
- a housing configured to be mounted on a head of a testee, the housing including an internal space;
a set of display devices configured to display a test image for the testee to view within the internal space;
a camera installed on the housing, the camera being configured photograph an external image in a line of sight of the testee;
a processor configured to switch display images displayed on the set of display devices between the test image for a vision test and the external image photographed by the camera during the vision test; and
a switch configured to send an instruction signal to the processor to switch the display images.
1 Assignment
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Accused Products
Abstract
A vision testing device capable of reducing a psychological sense of uneasiness, stress and the like given to a testee when a vision test is performed with a main body of the vision testing device mounted on a head portion of the testee, including: a device main body mounted on a head portion of a testee who undergoes a vision test, and having display devices for displaying a test image for the testee and a camera for photographing an external image; a switch operated by the testee; and a display control unit which performs switching of display images to be displayed on display devices between a test image and the external image photographed by the camera when the switch is operated under a predetermined operation condition in a state that the test image is displayed on the display devices.
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Citations
8 Claims
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1. A vision testing device comprising:
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a housing configured to be mounted on a head of a testee, the housing including an internal space; a set of display devices configured to display a test image for the testee to view within the internal space; a camera installed on the housing, the camera being configured photograph an external image in a line of sight of the testee; a processor configured to switch display images displayed on the set of display devices between the test image for a vision test and the external image photographed by the camera during the vision test; and a switch configured to send an instruction signal to the processor to switch the display images. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification