Vernier Acuity Video Game for Macular Disease Monitoring
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Solution Overview
Problem
Current methods for detecting neovascular age-related macular degeneration (AMD) are not accessible for frequent self-testing by patients, requiring clinical settings and trained personnel, and lack a user-friendly, automated analysis system for monitoring macular visual acuity.
Innovation Solution
A video game-based system using a tablet computer with a video camera and input device for self-administered macular acuity testing, which maps Vernier acuity and other types of acuity, allowing for automatic analysis and transmission of results to healthcare professionals, enabling frequent monitoring and alerts for vision changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If PHP testing is performed using a special device installed in the clinic, then measurement precision is improved, but ease of operation deteriorates
Solution Approach 1:
The patent creates a portable copy of the clinical PHP testing system using a tablet computer. The specialized testing interface and Vernier acuity mapping capabilities are replicated on a consumer device that patients can use at home, eliminating the need for clinic visits while preserving the core measurement functionality.
Solution Approach 2:
The system enables patients to perform self-testing for Vernier acuity mapping at home without requiring trained personnel. The automated interface guides patients through the testing process, allowing them to independently monitor their macular function and detect changes in vision.
2Measurement precision
If a specialized clinical device is used for PHP testing, then measurement precision is improved, but device complexity deteriorates
Solution Approach 1:
The patent leverages the multi-functionality of a tablet computer to perform specialized PHP testing. The single device serves multiple purposes: displaying Vernier acuity targets, capturing patient responses via touch input, processing test results, and communicating with healthcare providers, thereby eliminating the need for dedicated specialized equipment.
Solution Approach 2:
The patent replaces complex mechanical testing equipment with a software-based system on a tablet. The Vernier acuity mapping functionality is implemented through digital displays and touch interfaces rather than physical apparatus, significantly reducing device complexity while maintaining measurement precision.
3Measurement precision
If manual analysis of perimetry results is performed, then measurement precision is maintained, but productivity deteriorates
Solution Approach 1:
The system incorporates automated feedback mechanisms where the tablet computer immediately processes Vernier acuity test results and provides real-time analysis to the patient. The system automatically compares results against normative data, identifies changes in macular function, and communicates findings to healthcare providers, eliminating manual analysis delays.
Solution Approach 2:
The automated analysis system performs all data processing and interpretation functions that previously required manual review by clinicians. The system independently analyzes perimetry results, generates reports, and flags abnormal findings, significantly increasing productivity while preserving measurement precision through consistent automated evaluation.
Data Source
AI summary
Systems and methods for providing a video game to map macular visual acuity comprising a test where a fixation point is ensured by brief simultaneous presentation of central and pericentral targets. The game may be implemented on a hardware platform including a video display, a user input device, and a video camera. The camera is used to monitor ambient light level and the distance between the device and the eyes of the test subject. The game serves as a macular acuity perimeter that produces a map of the acuity of an eye that may be compared with normative data. The type of acuity tested is preferably Vernier acuity, but resolution acuity can also be tested. The test results are transmitted to a health care professional by telecommunications means to facilitate the diagnosis or monitoring of age-related macular degeneration or other relevant eye diseases.