Intraocular Implant with Adjustable Lens and Retinal Projector
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Solution Overview
Problem
Conventional intraocular lens implant procedures are inadequate for restoring or enhancing vision in patients with corneal conditions, as they do not effectively address light scattering or blockage issues in the cornea.
Innovation Solution
The development of an intraocular implant device with an adjustable base accommodating lens (ABAL) and a dual optical and digital solution, including a photoelectric power supply system and a projector, to optically correct and enhance vision, and to provide digital content directly to the eye.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional intraocular lens implant procedures are used, then lens replacement is achieved, but vision restoration is inadequate for patients with corneal conditions
Solution Approach 1:
The intraocular implant device is designed to perform multiple functions: it replaces the natural lens while simultaneously compensating for corneal optical defects. The device includes both a lens element and a projector that can function together to provide vision correction for patients with various conditions including cataracts and corneal impairments, making it universally applicable across different vision loss etiologies.
Solution Approach 2:
The implant device segments the vision correction function into two distinct components: a lens element for traditional optical correction and a projector for digital image projection. This segmentation allows each component to address specific aspects of vision impairment independently, with the lens handling refractive errors and the projector compensating for light scattering and blockage in the cornea.
2Adaptability or versatility
If an adjustable base accommodating lens is implemented, then vision adjustment capability is improved, but device complexity increases
Solution Approach 1:
The lens element is designed with adjustable optical properties, allowing its focal length or refractive power to be dynamically changed. This dynamic adjustment capability enables the lens to adapt to different viewing distances and vision requirements, providing accommodative function similar to the natural lens that is lost with age or disease.
Solution Approach 2:
A control mechanism serves as an intermediary between the user's vision needs and the lens adjustment. This intermediary system receives input about the desired focal point or accommodation level and automatically adjusts the lens parameters accordingly, simplifying the user interaction while managing the complexity of the adjustment mechanism.
3Reliability
If digital content projection is added to the implant, then vision enhancement capability is improved, but device complexity and power requirements increase
Solution Approach 1:
The projector is merged with the lens element into a single integrated intraocular implant device. This combination allows the digital projection system to work in conjunction with the optical lens, with the lens serving to focus and direct the projected light onto the retina. The merging of these functions into one device reduces overall system complexity compared to having separate implantable components.
Solution Approach 2:
The implant device is designed to be self-powered through photovoltaic cells that convert incident light into electrical energy. This self-service power generation system eliminates the need for external power sources or complex battery management systems, reducing device complexity while enabling continuous operation of the projector and other active components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The intraocular implant device effectively corrects and enhances vision by adjusting optical elements to accommodate changing vision needs and by projecting digital content onto the retina, thereby improving vision in patients with impaired cornea or lens tissue.
Implementation Method 1
a photoelectric array on the anterior side of the implant facing toward the cornea... converting the light into electrical energy
Implementation Method 2
a projector on the posterior side of the implant facing the retina and operable to emit photons in a pattern representative of the image data
Implementation Method 3
one or more optical elements disposed in an intraocular implant that operate to optically correct or enhance light passing through the eye toward the retina
Data Source
AI summary
A method of using an intraocular implant device for comprehensive intraocular vision advancement is provided. The implant includes an intraocular implant body shaped for positioning inside a lens chamber of an eye. In some embodiments, the implant includes an optical adjustable base accommodating lens configured to provide both base adjustment and accommodation. In further embodiments, the implant includes a photoelectric sensor operable to receive incident light through the cornea and to convert the received light into electrical energy for use with one or more circuit components disposed on the body, and wherein the photoelectric sensor is also operable to convert the received light into image data. The intraocular implant device may include a projector for projecting an image onto the retina of a user.