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Summary
Surgical laser safety eyewear (LSE) is crucial, but many models have design flaws hindering use. Manufacturers should prioritize comfort, labeling, and field of vision for better eye protection.
Area of Science:
- Ophthalmology
- Biomedical Engineering
- Occupational Safety
Background:
- Despite warnings and available laser safety eyewear (LSE), eye injuries persist during surgical laser use.
- Existing LSE models vary in protection levels and user-centric design.
Purpose of the Study:
- To evaluate 48 models of LSE for protection against surgical laser wavelengths (CO2, Nd:YAG, 532 nm).
- To assess the impact of design factors (labeling, color perception, field of vision, comfort) on LSE usability.
- To provide ratings based on optical density (OD) and actual-use considerations.
Main Methods:
- Evaluated 48 LSE models (goggles, spectacles, wraps) from 11 manufacturers.
- Tested lenses for protection against CO2, Nd:YAG, and 532 nm laser wavelengths.
- Assessed usability factors including labeling, field of vision, and comfort.
Main Results:
- Most evaluated LSE models offer adequate laser protection when used correctly.
- Many models exhibit design flaws (poor labeling, restricted field of vision, discomfort) that may discourage use.
- Some models with lower-than-adequate labeled OD offer protection under specific conditions, requiring laser safety officer (LSO) determination.
Conclusions:
- Manufacturers should improve LSE design to enhance user compliance and safety.
- Usability factors are as significant as optical density in ensuring effective eye protection.
- Proper LSE selection and use, guided by LSOs, are critical for preventing surgical laser eye injuries.