VR Light Sensitivity Testing With Eye Tracking for Home Vision Assessment

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Solution Overview

Problem

Traditional visual assessment methods are limited to professional settings and lack dynamic adjustment of test parameters, making them less accurate and inaccessible for home use with household devices.

Innovation Solution

Implementing a virtual reality (VR) system using a head-mounted display (HMD) and eye-tracking sensors to simulate various lighting conditions, glare levels, and color-coded challenges in a three-dimensional environment for comprehensive vision testing, enabling personalized lens tint recommendations and eyewear selection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If traditional visual assessment methods are used in professional settings with specialized equipment, then measurement precision is maintained, but device complexity and accessibility are worsened

Engineering Contradiction:

Improvevision testing accuracyVSAvoidequipment requirements

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent creates a virtual copy of the clinical vision testing environment using VR technology. The system replicates standardized visual assessment protocols and equipment functionality within a virtual reality framework, allowing home-based testing to achieve clinical-grade measurement precision without requiring physical specialized equipment

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The patent replaces mechanical/optical vision testing equipment with software-based visual stimuli and smartphone camera-based eye tracking. Complex optical instruments are substituted with digital visual displays and computational image processing algorithms, eliminating the need for specialized hardware while maintaining testing accuracy

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If traditional visual assessment methods are used with fixed parameters, then ease of operation is maintained, but adaptability is worsened

Engineering Contradiction:

Improvetest parameter adjustmentVSAvoidtesting procedure complexity

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent implements dynamic test parameter adjustment within the VR application. The system can modify visual stimulus characteristics, timing, and presentation based on real-time eye tracking data and user responses, allowing adaptive testing protocols that automatically adjust difficulty and focus areas without requiring manual intervention or complex user understanding

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent incorporates real-time feedback loops where eye movement data and user responses are continuously analyzed to adjust subsequent test parameters. The system uses this feedback to adapt the testing protocol dynamically, optimizing assessment accuracy while maintaining simple user interaction through automatic parameter modification

Inventive Principle:

Principle #23Feedback

3Ease of operation

If traditional visual assessment methods are used in clinical environments, then reliability is maintained, but ease of operation for home use is worsened

Engineering Contradiction:

Improvehome testing accessibilityVSAvoidtesting consistency

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent creates a universal testing platform that functions consistently across different environments (clinical and home settings). The VR application encapsulates the entire testing protocol, environmental controls, and analysis capabilities in a single portable system that delivers reliable, consistent results regardless of location, eliminating the need for controlled clinical environments

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent implements self-contained testing where the VR application automatically manages all aspects of the assessment including environmental instructions, stimulus presentation, eye tracking calibration, data collection, and result analysis. The system guides users through standardized procedures and automatically ensures testing consistency without requiring external supervision or specialized facility infrastructure

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS20260076552A1Methods and systems for virtual reality light sensitivity testing

Publication Date: 2026.03.19 ZENNI OPTICAL

AI summary

A virtual reality (VR) system can be implemented for testing light sensitivity and prescribing customized LCD tinted lenses. The system can use an electronic device that includes a head-mounted display (HMD) and eye-tracking sensors. The electronic device can generate a VR user interface corresponding to a three-dimensional virtual environment and render the VR user interface on the HMD. The electronic device can simulate various lighting conditions sequentially in the VR user interface. While simulating, in real time, the electronic device can track gaze direction, blink rate, squinting, and pupillary responses for evaluating light sensitivity performance of the wearer.