Adaptive Myopia Control Solution Switching by Efficacy

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Solution Overview

Problem

Existing myopia control solutions have varying efficacy over time and may not be optimally effective for individual subjects, necessitating a system to determine the appropriate moment for modifying or changing these solutions to maintain optimal myopia control.

Innovation Solution

A system and method using a database and processors to evaluate the efficacy of current and alternative myopia control solutions based on criteria such as time and subject activity, determining an appropriate moment for modifying or changing the initial solution to ensure optimal efficacy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If an initial myopia control solution is applied to a subject, then myopia progression is initially controlled, but the efficacy of the solution decreases over time

Engineering Contradiction:
Improveefficacy of myopia control solutionVSAvoidtime of application of solution
Core Design Contradiction:
ReliabilityVSDuration of action of stationary object

Solution Approach 1:

The system dynamically adjusts the myopia control solution based on temporal evolution of efficacy. It monitors the decreasing effectiveness over time and automatically transitions from an initial solution to alternative solutions when efficacy thresholds are breached, making the control system adaptive rather than static.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system implements a feedback mechanism by continuously evaluating the efficacy of the current myopia control solution and comparing it against alternative solutions. When the current solution's efficacy falls below that of alternatives, the system triggers a transition to a more effective solution, creating a closed-loop control system.

Inventive Principle:
Principle #23Feedback

2Reliability

If the myopia control solution is changed frequently, then optimal efficacy is maintained, but the complexity of management increases

Engineering Contradiction:
Improveefficacy of myopia control solutionVSAvoidcomplexity of solution management
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system performs self-evaluation and self-adjustment by automatically monitoring its own efficacy and initiating transitions to alternative solutions when needed. This reduces the burden on external management while maintaining optimal performance through autonomous decision-making based on predefined efficacy criteria.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system pre-evaluates alternative myopia control solutions before the current solution becomes completely ineffective. By proactively identifying and preparing alternative solutions while the current one is still partially effective, the system ensures seamless transitions and maintains continuous optimal control.

Inventive Principle:
Principle #10Preliminary action

3Measurement precision

If monitoring and evaluation systems are implemented to track solution efficacy, then optimal control moments are identified, but the system complexity and resource requirements increase

Engineering Contradiction:
Improveefficacy evaluation accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system combines multiple functions into a single integrated platform: it stores myopia control solutions, evaluates their efficacy, compares alternatives, determines transition moments, and manages the entire control strategy. This multi-functional approach reduces overall system complexity while maintaining high measurement precision through centralized processing.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS12437879B2System and method for determining an appropriate moment for modifying or changing an initial myopia control solution
Publication Date: 2025.10.07 ESSILOR INTERNATIONAL(COMPAGNIE GENERALE D OPTIQUE)
  • US12437879B2 patent drawing
  • US12437879B2 patent drawing

AI summary

A system for determining an appropriate moment for modifying or changing an initial myopia control solution used by a myopic subject at an initial time having a database of available myopia control solutions and data relative to the evolution of the efficacy of each myopia control solution with criterion including determining the value of said criterion at an ulterior time, determining, based on this value, the efficacy of this initial myopia control solution and the efficacy of other myopia control solutions of said database at this ulterior time, comparing the efficacy of said initial myopia control solution and the efficacy of other myopia control solutions of said database determined for said ulterior time, and when the efficacy of said initial myopia control solution is lower than the efficacy of at least one of said other myopia control solutions at said ulterior time, determining appropriate moment depending on said ulterior time.