Artificial accommodation system

A technology of optical systems and accommodation capabilities, applied in the direction of intraocular lenses, eye implants, equipment for testing eyes, etc., can solve the problems of no mention, pressure impossible, etc.

Inactive Publication Date: 2010-09-15
KERNFORSCHUNGSZENTRUM KARLSRUHE GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No mention of other possibilities to affect imaging characteristics that can be used to save space and power
Implantation of pressure transducers below the outer ocular muscle risks tissue fibrosis and sclerosis of the tissues and cysts of the transducers, making pressure measurements impossible

Method used

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Embodiment Construction

[0112] Hereinafter, the present invention will be explained in more detail with reference to the accompanying drawings.

[0113] figure 1 A schematic diagram of a complete artificial eye accommodation system is shown. Information 1 , which may for example be light from an object, is received by a refractive device of a human eye 2 comprising an optical system 3 . The distance to an object may change over time. The focused light 1a impinges on the retina 4 which is the natural sensor.

[0114] The incoming signals 5 generated by the photoreceptors are transmitted to the brain, the natural information processing system 6 . Efferent signals 7 containing information about the eye's accommodation needs are transmitted from the brain to musculomotor structures such as the ciliary muscles and the muscles of the eyeball. This information is received by the data acquisition system 8 of the artificial eye accommodation system. Data processing system 9 forms an adjustment signal for...

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Abstract

The invention relates to a device for re-producing accommodation capacity comprising a) at least one optical system (3), b) at least one contactless information detection system (8) for the ciliary muscle, either with acoustic or optical agents for detecting a ciliary body movement, or comprising agents which are used to detect a spatial orientation of both eyeballs in relation to each other, or with agents which are used to measure the width of the pupil and a light density for least on one eye as an endogenic control signal for the accommodation, c) at least one information processing system for generating a control signal for the optical system from the detected endogenic control signals d) at least one energy supply system (10) and e) at least one securing system (22).

Description

technical field [0001] The invention relates to an implantable artificial eye accommodation system according to claim 1 . The artificial eye accommodation system implanted in the human eye restores the loss of eye accommodation due to age-related presbyopia, ie aging vision, or due to cataract surgery. Background technique [0002] The human eye is an optical system that forms clear images of objects on the retina by means of multiple refraction interfaces. In this way, the light waves pass through the cornea, the aqueous fluid in the anterior chamber (the anterior chamber of the eyeball), the lens (lens) and the vitreous body in the posterior chamber (the posterior chamber of the eyeball), all of which have different refractive indices. If the distance of the observed object changes, the imaging behavior of the optical system must also change to ensure that an image with the same sharpness is formed on the retina. The human eye does this by changing the shape of the lens ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B3/113A61B5/11
CPCA61B5/6821A61B5/4519A61B6/587A61B3/113A61F2/1629A61B5/1107A61F2/1624A61F2250/0001A61F2250/0002
Inventor 乔治·布莱特豪尔马克·伯格曼U·金金巴奇托斯坦·柯克尔沃弗冈·鲁克特R·F·古托弗
Owner KERNFORSCHUNGSZENTRUM KARLSRUHE GMBH
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