OPTICAL SURFACES
Anti-Fog Coatings for Swimming Goggles: Surface, Use and Wear
Key point: The anti-fog layer is one part of the lens system; safety, product regulations and final acceptance remain tied to the marketed product.
Swimming goggles combine frequent condensation, water immersion, skin contact, cleaning and existing lens treatments in a compact optical system.
The lens may already carry other functions
Tint, mirror layers, hard coats and optical treatments change surface chemistry and restrict the anti-fog application route.
Mechanism affects the user experience
Hydrophilic spreading and water-absorbing films respond differently to repeated wetting and prolonged use.
Cleaning habits shape service life
Rubbing, detergent and storage residue can alter the surface well before the underlying lens fails.
Representative production lenses matter
Evaluation on the actual lens and coating sequence is more meaningful than performance on generic flat coupons.
References
- Superhydrophobic Coating for Swimming Goggles with Enhanced Wear ResistanceCoatings, 2025 · DOI 10.3390/coatings15060664
- Transparent Silica/PEG Antifogging CoatingsACS Omega, 2022 · DOI 10.1021/acsomega.1c07293