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Non-invasive intraocular pressure sensor

A sensing element, non-invasive technology, applied in the direction of tonometer, etc., can solve difficult, difficult to measure intraocular pressure change value, doping signal processing and other problems, to achieve the effect of improving the analysis ability

Active Publication Date: 2015-04-15
SPRING FOUND OF NCTU
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, it is difficult to measure the correct value of intraocular pressure change by this method, and it is also difficult to process the back-end signal because the value is mixed with a lot of noise

Method used

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Embodiment Construction

[0066] Figure 1A It is a schematic top view of a non-invasive intraocular pressure sensing element according to the first embodiment of the present invention, Figure 1B yes Figure 1A The cross-sectional schematic diagram of the middle section line A-A', and Figure 1C is a schematic cross-sectional view of another non-invasive intraocular pressure sensing element according to the first embodiment of the present invention, wherein Figure 1A The dielectric layer showing the sensing unit is omitted. Please refer to Figure 1A and Figure 1B , the non-invasive intraocular pressure sensing element 100 of this embodiment is suitable to be arranged on the eyeball of the user to measure the intraocular pressure of the eyeball, and it includes a sensing unit 110 and a reading circuit 120 . The sensing unit 110 and the reading circuit 120 can be used with a flexible member, for example, disposed on the flexible member or embedded in the flexible member, so as to facilitate the user...

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Abstract

A non-invasive intraocular pressure sensor adapted to be configured on an eyeball is provided. The non-invasive intraocular pressure sensor includes a sensing unit and a readout circuit. The sensing unit includes a plurality of electrode layers and a dielectric layer. The dielectric layer encloses the electrode layers and fills therebetween, and the electrode layers and the dielectric layer form a capacitor. A variation of capacitance of the capacitor varies with a variation of an intraocular pressure of the eyeball. The readout circuit is electrically connected to the sensing unit.

Description

technical field [0001] The present invention relates to an intraocular pressure sensing element, and in particular to a non-invasive intraocular pressure sensing element. Background technique [0002] With the development of society, people's working hours are getting longer and longer. Moreover, with the vigorous development of technology, the usage of electronic products has also increased significantly. When working for a long time or using electronic products at close range for a long time, it is easy to cause discomfort symptoms such as eye fatigue and excessive intraocular pressure due to excessive eye use, which accelerates the speed of eye aging and easily causes high myopia. Generally speaking, people with high myopia, diabetes or high blood pressure, or those with a family history of glaucoma are all high-risk groups for glaucoma, and severe cases may even be blind. Therefore, timely monitoring of ocular compaction is an extremely important part of maintaining ey...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B3/16
CPCA61B3/16
Inventor 邱俊诚杨自森黄煜杰叶冠廷
Owner SPRING FOUND OF NCTU
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