Tunable Synthetic Eye Model for Consistent Microscope Evaluation
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Solution Overview
Problem
The variability of natural and artificial lenses complicates the evaluation of ophthalmic microscopes, making it challenging to assess their performance across different surgical scenarios due to the complex optical path through the lens of the human eye.
Innovation Solution
A tunable synthetic eye model with a variable focal length lens and interchangeable lenses, along with adjustable apertures and optical targets, simulates various eye conditions to facilitate comprehensive evaluation of ophthalmic microscopes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a natural or artificial lens is used in the eye, then the optical path becomes complex and variable, but this variability makes it challenging to evaluate ophthalmic microscope characteristics consistently
Solution Approach 1:
The patent creates a synthetic eye model that copies the essential optical characteristics of the human eye including a lens with variable focal length, cornea, and retina. This standardized copy allows consistent microscope evaluation across different scenarios without the variability of actual human eyes, resolving the contradiction between adaptability and measurement precision
Solution Approach 2:
The synthetic eye model incorporates a lens with adjustable focal length parameters that can be changed to simulate different eye conditions and surgical scenarios. This allows the model to adapt to various evaluation requirements while maintaining a controlled, repeatable optical path for consistent microscope performance assessment
2Adaptability or versatility
If multiple types of lenses with different optical properties are considered, then comprehensive evaluation scenarios are covered, but the complexity of evaluation increases
Solution Approach 1:
The synthetic eye model serves as a universal evaluation platform that can accommodate multiple lens types and surgical scenarios through a single standardized system. The model's adjustable components allow it to function in various evaluation contexts without requiring separate complex systems for each scenario
Solution Approach 2:
The evaluation system is segmented into independent, adjustable components including the lens, cornea, and retina elements of the synthetic eye model. This segmentation allows each component to be independently configured for different scenarios while maintaining overall system manageability and reducing complexity
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
Enables accurate and standardized evaluation of ophthalmic microscopes under diverse conditions, including different lenses, lighting, and patient-specific variations, enhancing surgical procedure preparation and quality control.
Implementation Method 1
A lens with a variable focal length is at least partially disposed in the at least one opening
Data Source
AI summary
A tunable eye model includes a housing having an inner chamber and at least one aperture adjacent to an anterior portion of the inner chamber. A lens is at least partially disposed in the at least one aperture, and the lens has a variable focal length. An optical target of the tunable eye model is disposed over a posterior portion of the inner chamber. The optical target is configured to facilitate evaluation of a characteristic of an ophthalmic microscope when viewed through the lens with the ophthalmic microscope.