SUBSTANCE: central field of view is tested at specific conditions of illumination. Threshold contrast test-object is selected according to keenness of vision and this test-object is shifted along the surface of the screen in meridional direction from 1 m distance. Patient fixes his glance at the...
The device examines the view field of an eye by visual, variable position characters. The device has a view screen (1) and a light source (2). It also has an aperture device to generate the test characters. The aperture device is formed of an LCD image screen (3) irradiated by the ...
An eye visual field test can also detect abnormalities in the brain that cause strokes or tumors. These abnormalities not only affect the visual field, but the location of the stroke or tumor is often determined by the size, shape and location of the eye problem or defect. A visual field...
Automated static perimetry test.This test is much more detailed. Your doctor uses it to make a complete image of your field of vision. They cover one eye with a patch as you look into a tool called a perimeter. You press a button when you see a light blink. This test can tell your...
This project contains a simple implementation of a foveated Field-of-View (FOV) restrictor as described in the paper "The Effect of a Foveated Field-of-view Restrictor on VR Sickness". virtual-realityeye-trackingfield-of-viewvirtual-reality-sickness ...
to when they appear due to the act of moving the head and eyes to bring them into view. We compare the effect of salience on visual search under these circumstances, anticipating that a more salient stimulus entering the FoV after a head or eye movement would assist the participant in ori...
WHAT IS THE "EYE TEST" OR "PEN TEST"? When someone is stopped for suspicion of OVI, the first test the officer will often administer is the eye test. The officer will ask tell the person to stand with their feet together, hands at their sides, hold their head still, and to follow ...
Another basic test is the slit-lamp or biomicroscope examination. The device makes it possible for the optometrist to see a highly magnified view of the internal structure of the eye. It is an effective way to diagnose early problems and detect signs of infection or disease. During the test...
This is my version of the "Cube, Ladder, Horse" personality test. If you've done the test before, just check the bottom of the article for the interpretations.
in play mode tests (where the default smaller number of frames tends to make tests too fast to be understandable to the human eye). This is false by default to ensure that tests will run quickly in general, and can be set to true manually in specific test cases using the ...