VR Vision Testing for Simulating Prescription Glasses Effects
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Solution Overview
Problem
Traditional visual assessment methods are limited to professional settings and do not allow for dynamic adjustment of test parameters, making them less accurate and inaccessible for home use with household devices.
Innovation Solution
Implementing a virtual vision test using a head-mounted display (HMD) and camera, which generates a three-dimensional virtual environment for eye testing, tracks eye movements in real-time, and analyzes gaze direction and responses to stimuli for assessing various vision conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional visual assessment methods are used, then standardized procedures and controlled clinical settings ensure accurate results, but the methods are limited to professional settings and cannot be implemented at home with household devices
Solution Approach 1:
The patent creates a virtual copy of the clinical vision testing environment using software that simulates standardized test procedures. The system replicates the function of specialized clinical equipment through virtual reality overlays and computational algorithms, allowing home users to access accurate vision assessment without requiring physical specialized devices.
Solution Approach 2:
The patent replaces physical mechanical vision testing equipment with a software-based virtual reality system. Instead of using traditional optometers or visual acuity charts that require specialized hardware, the system uses computational processing, virtual displays, and algorithmic analysis to perform vision assessments, eliminating the need for complex physical equipment.
2Measurement precision
If traditional visual assessment methods are used, then standardized procedures are followed, but dynamic adjustment of test parameters is not allowed leading to less accurate assessments
Solution Approach 1:
The patent implements a dynamic vision assessment system that can adapt test parameters in real-time based on user responses and performance. The system adjusts stimulus characteristics, test difficulty levels, and assessment protocols dynamically during administration, allowing for more accurate and personalized vision evaluation compared to fixed standardized procedures.
Solution Approach 2:
The patent incorporates continuous feedback mechanisms that monitor user performance and automatically adjust test parameters accordingly. The system analyzes real-time responses and modifies subsequent test conditions to optimize assessment accuracy, creating an adaptive feedback loop that enhances measurement precision while maintaining versatility.
3Reliability
If traditional visual assessment methods are used, then controlled clinical environment ensures reliable results, but the methods cannot be implemented in real-time with household devices
Solution Approach 1:
The patent replaces slow, manual mechanical vision testing procedures with automated computational algorithms and real-time virtual reality processing. This substitution enables rapid automated assessment that maintains clinical reliability while significantly increasing testing speed and efficiency.
Solution Approach 2:
The patent enables continuous automated vision assessment that can be administered at any time without requiring scheduled clinical appointments. The system provides uninterrupted, real-time testing capability that maintains reliable results while improving accessibility and speed of service delivery.
Data Source
AI summary
A virtual eye test can be conducted to assess the effects of prescription glasses in a virtual reality (VR) environment. The test can be conducted using an electronic device with a head-mounted display (HMD) and a camera. The device can generate and render a VR user interface in a three-dimensional virtual environment, and simulate test scenarios with various visual corrections. The device can track gaze direction, focus adjustments, and visual clarity in real-time, then evaluate visual acuity, field of view, and comfort level with each simulated prescription based on these measurements.