Focus-Tunable Lens Spectacles for Automated Eye Training
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Solution Overview
Problem
Current eye training methods for preventing or treating myopia are time-consuming and require a trained person to manually switch lenses with different focal powers, making the process expensive and labor-intensive.
Innovation Solution
An eye training system using spectacles with focus-tunable lenses that adjust focal length in response to electric control signals or mechanical actuation, allowing for automated and computer-controlled eye training without the need for a supervising person.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual eye training with multiple lenses of different focal powers is used, then eye training can be performed, but the process becomes time-consuming and requires a trained person to execute
Solution Approach 1:
The patent employs a single dynamic lens whose focal power can be continuously adjusted during eye training sessions. This dynamic lens replaces multiple static lenses, allowing the focal power to change automatically according to the training protocol, thereby eliminating the need for manual lens switching and reducing training time while maintaining ease of operation
Solution Approach 2:
The eye training system is designed to automatically control the focal power of the lens based on pre-programmed training sequences. The system serves itself by automatically adjusting parameters without requiring a trained operator, enabling unattended eye training sessions and significantly reducing the time loss associated with manual intervention
2Adaptability or versatility
If multiple lenses with different focal powers are used for eye training, then comprehensive training can be achieved, but the device complexity increases
Solution Approach 1:
The patent uses a single lens with dynamically adjustable focal power instead of multiple static lenses. This dynamic approach provides the same training flexibility as multiple lenses while significantly reducing device complexity, as it eliminates the need for multiple lens elements, mounting mechanisms, and switching hardware
Solution Approach 2:
The single dynamic lens serves multiple functions that would otherwise require separate lenses. By making the lens focal power adjustable across a range of values, one lens element performs the work of many, thereby maintaining training versatility while reducing overall device complexity
3Reliability
If a trained person manually switches lenses during eye training, then correct training sequence can be ensured, but labor costs increase
Solution Approach 1:
The system automatically ensures training accuracy through pre-programmed sequences that control the focal power adjustments. The automated control mechanism replaces the need for a trained operator to manually switch lenses, maintaining reliability while reducing operational complexity and labor requirements
Solution Approach 2:
The eye training system incorporates feedback mechanisms that monitor the patient's response and automatically adjust the focal power accordingly. This closed-loop control ensures training accuracy is maintained while eliminating the need for manual intervention, thereby reducing both operational complexity and dependency on trained personnel
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 system reduces training time and costs by enabling automated, error-free eye training with lighter spectacles and the ability to execute predefined sequences for multiple users, allowing for use at home or away from specialists.
Implementation Method 1
The focus-tunable lens (13) is configured to change its focal power upon the application of a particularly electric control signal
Implementation Method 2
The focus-tunable lens (13) is configured to change its focal power upon the application of a particularly electric control signal and/or upon receiving a mechanical actuation force
Data Source
AI summary
The invention relates to an eye training system (1) with the spectacles (10) that comprise at least the following components: A frame member (11) configured to keep the spectacles (10) on the head of a person wearing the spectacles (10), two optical assemblies (12) arranged at the frame member (11), wherein the optical assemblies (12) are arranged such at the frame member (11) that when the spectacles (10) are worn on the head of the person said optical assemblies (12) are in front of the eyes of the person, wherein each optical assembly (12) comprises a focus-tunable lens (13) with an adjustable focal length, a control circuit (22) comprising a processor, wherein the control circuit is configured to control the focal lengths of the focus-tunable lenses (13) in response to data (200) received from an external computer or provided by the processor. The invention further relates to a method and a computer program for performing eye training with the eye training system (1).