Abstract: A device for examining ocular motility of an individual includes a display surface for displaying a fixation light thereon, an arrangement for determining the position of the individual's head, and/or an indicator that can be adjusted with respect to position on the side of the individual to indicate the indicator points, representing his or her subjective visual impression, on the display surface. A position sensor is provided for adjustment and/or detection of the orientation and distance of the individual's head in relation to the display surface; and a sensor mechanism detects and determines the position of the indicator point on the display surface. Data about the position of the individual's head in relation to the display surface and about the position of the indicator point on the display surface are transmitted to an evaluation unit, which processes this information to determine at least one ocular motility characteristic of the individual.

Abstract: A system for testing and quantifying visual field and other visual function information in a head-mounted virtual reality environment, utilizing a directed image formation device for scanning of an image onto the retina of the test subject. A method and an apparatus are also provided for utilizing a central neural network and a central data bank to perform automatic interpretation of the visual function test parameters obtained in a plurality of visual field testing systems, for a plurality of patients, with control and response signals being transmitted via the Internet. The data produced by the testing systems are automatically analyzed and compared with patterns on which the neural network was previously trained, and clinical diagnoses for pathological conditions are thereby suggested to the respective clinician for each patient.

Abstract: A method and apparatus for testing the visual field of a patient, with a head mounted display, which displays a central fixation icon and a variable peripheral stimulus icon, and which senses the responses of the patient by tracking the gaze of the patient, as the gaze shifts between the central fixation icon and the peripheral stimulus icon.

Abstract: A method and an apparatus for the performance and autointerpretation via the Internet, or other telemetric vehicle, of the visual function test parameters obtained during interactive visual field screening utilizing a local display screen. Such interactive testing and instantaneous autointerpretation of visual field performance utilizing a local display screen, via telemedicine, are utilized to screen for glaucoma and other neurological disorders affecting the visual system. Telemedicine, such as via the Internet, allows the system to be employed on a world-wide basis, including areas where physicians are not present.

Abstract: Examinations of the visual field required a spatially large system in the form of a perimeter or a (noise-field) campimeter with a microcomputer, a control and a video monitor. Additional testing apparatuses were required for further examinations. A compact apparatus is provided which can be transported and handled easily for determining visual field defects and for carrying out further examinations, such as testing distance and near vision, vision in the case of an approaching-light glare, testing strabismus, stereo tests, color tests and tests for measuring a reaction. For this purpose, a computer-controlled measuring apparatus is provided by way of a display and a lens system. The apparatus is housed in a spectacle-type and/or helmet-type carrier while the dimensions are small.