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System and method for treating lenticular opacification based on illumination

A lens and turbidity technology, which is applied in the field of ophthalmology treatment methods and equipment, can solve the problems that the light beam cannot act on the lens, the focus accuracy is low, and the light beam is easy to diverge, so as to reduce the probability of divergence, improve focus accuracy, and avoid damage.

Pending Publication Date: 2022-05-13
ZHONGSHAN OPHTHALMIC CENT SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the inventors implemented the embodiments of the present invention, they found that the light beams of laser treatment tended to diverge, and there was a problem that part of the light beams could not act on the lens.
[0004] Therefore, there is an urgent need for a special wavelength light control strategy to solve the problems of beam divergence and low focusing accuracy of existing lens turbidity treatment equipment

Method used

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  • System and method for treating lenticular opacification based on illumination
  • System and method for treating lenticular opacification based on illumination
  • System and method for treating lenticular opacification based on illumination

Examples

Experimental program
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Embodiment 1

[0036] The system for treating lens turbidity based on light irradiation provided by an embodiment of the present invention is specifically:

[0037] A light source device for generating an initial beam; a uniform light device for converting the initial beam into a divergent beam and compressing the divergence angle of the beam; a beam collimation device for adjusting the divergent beam into a parallel beam; for adjusting The focus position of the parallel light beam is used to generate the focusing device of the focused light beam; the receiving device for receiving the focused light beam and acting on the lens; the reticle device for judging whether the focus position is correct; wherein the light beam is from the After the light source device is generated, it sequentially passes through the uniform light device, the beam collimation device, the reticle device and the focusing device and enters the receiving device.

[0038] As a preferred solution of this embodiment, it als...

Embodiment 2

[0068] The system for treating lens turbidity based on light irradiation provided by an embodiment of the present invention is specifically:

[0069] A light source device for generating an initial beam; a uniform light device for converting the initial beam into a divergent beam and compressing the divergence angle of the beam; a beam collimation device for adjusting the divergent beam into a parallel beam; for adjusting The focus position of the parallel light beam is used to generate a focusing device for focusing the light beam; a receiving device for determining the position of the eyeball; a reticle device for judging whether the focus position is correct; wherein, after the light beam is generated from the light source device, sequentially After passing through the homogenizing device, the beam collimating device, the reticle device and the focusing device, it enters the receiving device.

[0070] As a preferred solution of this embodiment, it further includes: a first ...

Embodiment 3

[0075] The system for treating lens turbidity based on light irradiation provided by an embodiment of the present invention is specifically:

[0076] See Figure 5 , Figure 5 Another embodiment of the present invention provides a system for treating lens turbidity based on light, including: a light source device 1001, a uniform light device 1002, a beam collimating device 1003, a first beam limiting device 1004, a reticle 1005, and a focusing device 1006 , a half mirror 4002 , a scattering screen 4003 and a charge coupler 4004 , a second beam limiting device 1007 and a receiving device 1008 .

[0077] See Figure 4 , Figure 4 A schematic diagram of the reticle device provided for an embodiment of the present invention: the reticle device includes a reticle 4001, a half-mirror 4002, a scattering screen 4003 and a charge coupler 4004; wherein, the half-mirror 4002 is horizontally distributed On the right side of the focusing device 1006 and the left side of the second ligh...

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Abstract

The invention provides a system and a method for treating lens opacification based on illumination. The system comprises a light source device, a dodging device, a light beam collimating device, a reticle device, a focusing device and a receiving device, wherein after being generated by the light source device, a light beam sequentially passes through the dodging device, the light beam collimation device, the reticle device and the focusing device and then enters the receiving device. Therapeutic light beams are filtered and collimated through the dodging device and the light beam collimating device, so that the light beam divergence probability is reduced, the focusing position of light is adjusted through the focusing device and the reticle device, and damage to other parts of eyes caused by divergent light beams is avoided. Therefore, by implementing the embodiment of the invention, the light focusing accuracy can be improved.

Description

technical field [0001] The invention relates to the field of ophthalmic treatment methods and equipment, in particular to a system and method for treating lens turbidity based on light. Background technique [0002] Lens clouding is the eye disease with the highest rate of blindness in the world, and this disease is often called cataract. With the aging trend of the global population, the number of cataract patients is increasing. As of 2019, the total number of people diagnosed with cataract worldwide has reached 69.2 million. In my country, among the elderly aged 60-89, the number of cataracts accounts for as high as 80%. Phototherapy is a method of disease prevention and treatment by using sunlight or artificial light. Under the stimulation of light, it can cause a series of photochemical, photoelectric, photothermal and other reactions in biological tissues, thereby producing therapeutic effects. Since lens turbidity is caused by abnormal aggregation of proteins and a...

Claims

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Application Information

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IPC IPC(8): A61N5/067A61N5/06G02B27/09G02B27/30G02B27/32
CPCG02B27/0927G02B27/0994G02B27/30G02B27/32A61N5/0613A61N2005/0648A61N2005/0667A61N2005/0651A61N2005/0662A61N2005/0664
Inventor 林浩添刘冬吴倩妮李龙辉
Owner ZHONGSHAN OPHTHALMIC CENT SUN YAT SEN UNIV
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