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How to construct liquid-crystal spectacles to control vision of real-world objects and environments
Michael A Gomez1,2, Jacqueline C Snow3
1Department of Psychology, The University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV, USA. michael.gomez@cloviscollege.edu.
Behavior Research Methods
|February 3, 2023
Summary
Researchers can now build affordable, customizable liquid-crystal occlusion spectacles in their labs. These DIY glasses offer comparable performance to commercial options for naturalistic vision studies.
Area of Science:
- Cognitive Science
- Neuroscience
- Vision Science
Background:
- Controlling stimulus viewing time in naturalistic vision research is challenging, especially with real-world objects.
- Existing commercial liquid-crystal occlusion spectacles are expensive, fragile, and lack customization options.
Purpose of the Study:
- To provide researchers with instructions for building custom, cost-effective liquid-crystal occlusion spectacles.
- To enable precise control over stimulus presentation in experimental vision research.
Main Methods:
- Detailed step-by-step instructions for designing, assembling, operating, and testing laboratory-manufactured liquid-crystal glasses.
- Utilizing readily available components for ease of construction with minimal technical expertise.
Main Results:
- Successfully developed robust, customizable liquid-crystal occlusion spectacles at a fraction of commercial cost.
- Laboratory prototypes demonstrated reliability and temporal accuracy comparable to commercial PLATO glasses.
Conclusions:
- DIY liquid-crystal occlusion spectacles promote rigor and reproducibility in vision research.
- These glasses offer a viable, affordable alternative for various experimental applications in naturalistic vision studies.
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