AI Retinal Screening System for Early Disease Detection

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Solution Overview

Problem

Current vision screening methods, including retinal scans, often fail to detect early signs of systemic diseases due to the lack of integration with patient medical history and the need for specialized expertise.

Innovation Solution

A method and system that utilize machine learning models to analyze retinal images in conjunction with electronic medical records (EMR) data, providing a confidence level for potential diseases and recommending further screening if the confidence level exceeds a threshold.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual analysis of retinal scans by a retina specialist is performed, then detection accuracy may improve, but cost and complexity of health screening increase

Engineering Contradiction:
Improvedetection accuracyVSAvoidscreening complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

An AI analysis system is introduced as an intermediary between the retinal scan acquisition and the retina specialist. The system automatically analyzes retinal scan images to generate analysis results that are then provided to the specialist, eliminating the need for the specialist to perform manual image analysis while preserving access to expert interpretation for complex cases.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The retinal scan analysis system performs self-service by automatically processing retinal scan images through AI algorithms to generate diagnostic analysis results. This automation allows the system to independently complete the analysis task without requiring direct human intervention in the image examination process, thereby reducing operational complexity.

Inventive Principle:
Principle #25Self-service

2Measurement precision

If manual analysis of retinal scans by a retina specialist is performed, then detection capability may improve, but cost of health screening increases

Engineering Contradiction:
Improvedetection capabilityVSAvoidscreening cost
Core Design Contradiction:
Measurement precisionVSQuantity of substance

Solution Approach 1:

The system performs automated analysis of retinal scans using AI algorithms, enabling self-service operation that eliminates the need for expensive specialist time for each screening. The AI model processes images independently, generating diagnostic results without requiring direct specialist involvement in every case.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The AI analysis system creates a digital copy of the specialist's analytical capability through machine learning models trained on expert-labeled data. This virtual copy can process and interpret retinal images with high accuracy without incurring the recurring costs associated with human specialist time and resources.

Inventive Principle:
Principle #26Copying

3Ease of operation

If a primary care doctor reviews retinal scans, then accessibility of screening improves, but detection accuracy decreases due to lack of specialized expertise

Engineering Contradiction:
Improvescreening accessibilityVSAvoiddetection accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The AI analysis system serves as an intermediary that bridges the gap between primary care doctors and specialist-level detection capability. The system processes retinal images and generates analysis results that primary care doctors can interpret without needing specialized ophthalmology training, effectively transferring expert knowledge to the primary care setting.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system replaces the need for specialized human expertise (mechanical/cognitive system) with an automated AI-based detection system. The AI model encodes specialist knowledge in algorithms that can be executed by primary care providers, substituting the requirement for specialized training with a computational system that provides consistent expert-level analysis.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Adaptability or versatility

If retinal scans are used for systemic disease detection, then screening versatility improves, but requirement for specialized analysis increases

Engineering Contradiction:
Improvedisease screening versatilityVSAvoidanalysis expertise requirement
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The AI analysis system is designed with multi-functionality to detect multiple types of systemic diseases (diabetes, hypertension, kidney disease, neurological conditions) from retinal scan images. A single unified system performs diverse diagnostic tasks that would otherwise require different specialists and analysis approaches for each disease type.

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

Solution Approach 2:

The system replaces the need for multiple specialized analysts with a single automated AI platform that handles diverse disease detection tasks. The AI model integrates knowledge across multiple medical domains, substituting the complex human expertise requirements with a unified computational system that can simultaneously assess for various conditions.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS20250166829A1Automated disease detection using retinal images
Publication Date: 2025.05.22 WELCH ALLYN INC
  • US20250166829A1 patent drawing
  • US20250166829A1 patent drawing
  • US20250166829A1 patent drawing

AI summary

A patient screening system for providing recommendations for screening of potential diseases or disease risk(s) of a patient based on their health records and retinal images, is described herein. The patient screening system may include an optical imaging device operable at a doctor's office, and associated methods configured to generate the recommendation. The patient screening system may implement various AI/ML models trained on a training dataset of anonymized patient data. The patient screening system may be based on discovering correlations between features of the retinal images and the health records in the training dataset, and corresponding disease diagnoses included in the health records. The patient screening system may also implement classifiers for various diseases based on data in the training dataset. Any patient screening based on the recommendation may be followed up, and results of such screening used to improve performance of the patient screening system.