OpticalAging: Real-time Presbyopia Simulation for Inclusive Design via Tunable Lenses

2025-06-24

AI Summary

This study addresses the challenge of low empathic understanding among non-presbyopic individuals toward age-related visual impairment. We propose an optical-see-through, real-time presbyopia simulation method that dynamically adjusts focal blur based on viewing distance—distinct from VR-based approaches. Our system employs tunable-focus lenses calibrated to individual near-point distances, enabling first-person, environment-aware blur simulation. A user study (N=19) confirmed statistically significant near-point shifts across simulated age conditions and demonstrated significant improvements in participants’ self-reported comprehension of and empathy toward presbyopia. As a user-centered design supplement, this tool advances inclusive design practice. Its optical-see-through architecture and real-time, distance-dependent simulation mechanism establish a novel paradigm for empathy-oriented visual impairment research.

Technology Category

• Cognitive Modeling & Cognitive Systems: Simulating Human Behavior
• Humans and AI: Game Design — Virtual Humans, NPCs and Autonomous Characters
• Computer Vision: Bias, Fairness & Privacy

Application Category

• User Modeling, Personalization and Recommendation: Practical large-scale studies of user experience
• Responsible Web: Machine-in-the-loop, human agency and autonomy
• Security and Privacy: Large-scale security measurements

Abstract

Presbyopia, a common age-related vision condition affecting most people as they age, often remains inadequately understood by those unaffected. To help bridge the gap between abstract accessibility knowledge and a more grounded appreciation of perceptual challenges, this study presents OpticalAging, an optical see-through simulation approach. Unlike VR-based methods, OpticalAging uses dynamically controlled tunable lenses to simulate the first-person visual perspective of presbyopia's distance-dependent blur during real-world interaction, aiming to enhance awareness. While acknowledging critiques regarding simulation's limitations in fully capturing lived experience, we position this tool as a complement to user-centered methods. Our user study (N = 19, 18-35 years old) provides validation: quantitative measurements show statistically significant changes in near points across three age modes (40s, 50s, 60s), while qualitative results suggest increases in reported understanding and empathy among participants. The integration of our tool into a design task showcases its potential applicability within age-inclusive design workflows when used critically alongside direct user engagement.

Problem

• Simulate presbyopia's visual blur in real-time using tunable lenses
• Bridge gap between abstract accessibility knowledge and perceptual understanding
• Enhance empathy and awareness for age-inclusive design workflows

Innovation

• Real-time presbyopia simulation with tunable lenses
• Optical see-through approach for first-person perspective
• Enhances understanding via quantitative and qualitative validation