Visual field defect simulation device and method based on virtual reality technology
A virtual reality technology and visual field defect technology, which is applied in teaching models, mechanical mode conversion, data processing input/output process, etc., can solve the problems of single simulated defect area and strong sense of occlusion when wearing
Pending Publication Date: 2018-06-22
SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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[0003] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to overcome the non-physiological simulated field of view defect method in the prior art that has a strong sense of occlusion, a single simulated defect area, and frequent replacement of patches for different types of defects.
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[0023] The following describes several preferred embodiments of the present invention with reference to the accompanying drawings, so as to make the technical content clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned herein.
[0024] In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are shown arbitrarily, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of parts is appropriately exaggerated in some places in the drawings.
[0025] In the clinical work, a large number of glaucoma patients with different courses of disease have been diagnosed and treated....
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The invention discloses a visual field defect simulation device and method based on a virtual reality technology. The device comprises a virtual reality system which comprises a platform data system,a model data system, a sensory data system and a control data system. The platform data system comprises a computer system supporting the operation of the virtual reality system, a network system andmetadata generated by a public platform. The model data system is used to generate the main body data of a real world object in a digital space, and can physiologically simulate visual field defects of different disease courses. The sensory data system is used to enable a user to generate visual, listening and power feelings. Data generated by the user through an input device control and influencea virtual environment via the control data system. According to the invention, the virtual reality technology is used to simulate a scene in life; and a visual field defect simulation scheme is applied in a virtual reality device to physiologically simulate different types of visual field defects.
Description
technical field [0001] The invention relates to the field of medicine, in particular to a visual field defect simulation device and method based on virtual reality technology. Background technique [0002] Field of view, as the name implies, is the range of sight. Such as figure 1 As shown, the horizontal field of view of the eyes of normal people can exceed 180°. Glaucoma is a group of diseases that damage the optic nerve and eventually lead to blindness. The prevalence of open-angle glaucoma in people over 40 years old in my country can be as high as 2.3%. The optic nerve damage is characterized by progressive visual field loss, eventually forming tubular vision until blinding. However, the visual field defect of glaucoma has very obvious characteristics, such as the scotoma in the center of the visual field and the side center in the early stage; as the disease progresses, the visual field defect on the nasal side will appear, which is called "nasal ladder"; Next, the...
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IPC IPC(8): G06T19/00G06F3/01G09B23/28
CPCG06F3/011G06T19/006G09B23/28
Inventor 郭文毅吴越
Owner SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE