Dynamic visual stimulation visual mark testing system targeting different photoreceptor cells

A technology for visual stimulation and photoreceptor cells, which is applied in the field of medical biometrics, can solve the problem that different photoreceptor cell movement visual signal transduction pathways cannot be studied separately, and achieves the effect of less instruments and experimental materials and easy operation.

Active Publication Date: 2019-11-08
PEKING UNIV THIRD HOSPITAL
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  • Abstract
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Problems solved by technology

[0004] In order to solve the above problems, the present invention provides a dynamic visual stimulation optotype test system for different photoreceptor

Method used

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  • Dynamic visual stimulation visual mark testing system targeting different photoreceptor cells
  • Dynamic visual stimulation visual mark testing system targeting different photoreceptor cells
  • Dynamic visual stimulation visual mark testing system targeting different photoreceptor cells

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Embodiment Construction

[0022] Hereinafter, the present invention is described in more detail to facilitate understanding of the present invention.

[0023] The optotype test system for dynamic visual stimulation of different photoreceptor cells according to the present invention includes an optotype element generation module, an optotype parameter control module and an optotype presentation module, and the optotype element generation module is used to generate optotype elements. The optotype element is a circle with a specific color and size; the optotype parameter control module includes an optotype size control module and an optotype speed control module; The target size is controlled; the visual target speed control module controls the speed of the visual target movement according to the input parameters; the visual target presentation module is used to present the visual target background, visual target movement mode and test process.

[0024] The size of the optotype element can be adjusted, an...

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Abstract

The invention relates to a dynamic visual stimulation visual mark testing system targeting different photoreceptor cells. The dynamic visual stimulation visual mark testing system includes a visual mark element generation module, a visual mark parameter control module and a visual mark presentation module, the visual mark element generation module is used for generating visual mark elements, and the visual mark elements are circles with the specific color and size; the visual mark parameter control module includes a visual mark size control module and a visual mark speed control module; the visual mark size control module controls the size of visual marks according to input parameters; the visual mark speed control module controls the speed of visual mark movement according to the input parameters; and the visual mark presentation module is used for presenting a visual mark background, a visual mark movement mode and a testing process.

Description

technical field [0001] The invention relates to the technical field of medical biometrics, in particular to a dynamic visual stimulation optotype test system for different photoreceptor cells. Background technique [0002] The human retina mainly consists of three layers of cell structure, namely photoreceptor cell layer, bipolar cell layer and ganglion cell layer. In the process of visual signal transduction, various external visual information first reaches the photoreceptor cell layer, and is modulated into signals with different temporal and spatial frequencies in the photoreceptor cell layer, and then further reaches the ganglion cells through bipolar cell layer conduction. layer for signal integration. Humans have three main types of photoreceptors, cones, rods, and intrinsically photosensitive retinal ganglion cells (ipRGCs). The outer segment of the rod cell contains rhodopsin, which is sensitive to blue-green light and is mainly used for scotopic vision. It is a p...

Claims

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Application Information

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IPC IPC(8): A61B3/11A61B3/117A61B3/06
CPCA61B3/063A61B3/066A61B3/112A61B3/1173
Inventor 王岳鑫李学民
Owner PEKING UNIV THIRD HOSPITAL
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