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Determining the Best Management Strategy for Preventing Short-Term Effects of Digital Display Use on Dry Eyes
Cristian Talens-Estarelles1, José Vicente García-Marqués, Alejandro Cerviño
1Department of Optics & Optometry & Vision Sciences (C.T.-E., J.V.G.-M., A.C., S.G.-L.), Optometry Research Group, University of Valencia, Valencia, Spain.
Eye & Contact Lens
|September 26, 2022
Summary
Artificial tears and blink control effectively prevent digital eye strain symptoms. Blue light filters offer no benefit for managing dry eye from screen use.
Area of Science:
- Ophthalmology
- Digital Health
- Human-Computer Interaction
Background:
- Digital display use is prevalent, leading to potential short-term visual fatigue and dry eye.
- Understanding effective management strategies is crucial for mitigating discomfort and ocular surface changes.
Purpose of the Study:
- To compare the efficacy of four strategies in preventing short-term digital eye strain.
- To evaluate artificial tears, breaks, blue light filters, and blink control.
Main Methods:
- 47 healthy individuals underwent assessments before and after 20 minutes of laptop use.
- Evaluated ocular surface, tear film, and visual fatigue using questionnaires (OSDI, DEQ-5) and objective measures (TMH, NIKBUT, redness, pupil size).
- Compared outcomes across five conditions: control, artificial tears, break, blue light filter, and blink control.
Main Results:
- Blue light filters and the control condition showed the worst outcomes for all measured variables.
- Taking a brief break, using artificial tears, and blink control significantly reduced dry eye symptoms and signs compared to the control.
- Blue light filters provided no discernible benefits and were inferior to artificial tears and blink control.
Conclusions:
- Artificial tears and deliberate blink control are effective strategies for managing digital eye strain.
- Blue light filters do not appear to offer protection against the short-term effects of digital screen use on dry eye.
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