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Laser safety features of eye shields
W R Ries1, M A Clymer, L Reinisch
1Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee 37232-2559, USA.
Lasers in Surgery and Medicine
|January 1, 1996
Summary
Metallic eye shields offer superior safety for periorbital laser surgery compared to plastic alternatives. Testing revealed plastic shields sustained significant thermal damage, making metallic options the preferred choice for protecting the eye.
Area of Science:
- Ophthalmology
- Biomedical Engineering
- Laser Safety
Background:
- Various lasers are utilized for cutaneous periorbital surgery.
- Not all available eye shields are suitable for every laser application.
Purpose of the Study:
- To evaluate the safety features of commercially available eye shields for periorbital laser surgery.
- To determine the thermal performance and damage resistance of different eye shield materials.
Main Methods:
- Six different commercial eye protectors were subjected to laser exposure.
- Intensity and duration for visible shield damage were recorded.
- Underside shield temperatures were measured using a type-T thermocouple during laser exposure.
Main Results:
- Plastic shields demonstrated significant thermal damage across multiple laser types.
- Metallic shields exhibited slower warming and lower temperature increases.
- Thermal response curves and warming rates were generated for each shield type.
Conclusions:
- Metallic eye shields present a more favorable safety profile for periorbital laser procedures.
- Plastic shields showed considerable thermal damage, leading to a recommendation against their use.
- Material selection is critical for ensuring eye safety during laser surgery.