1. Department of the Army: Standards of medical fitness. Army Regulation 40–501. Washington, DC, Department of the Army.
2. Evaluation of extended wear soft and rigid contact lens use by Army aviators;Bachman;J Am Optom Assoc,1990
3. The suitability of soft contact lenses for aircrew;Brennan,1984
4. Continuous wearing of Duragel contact lenses by Swedish Air Force pilots;Nilsson;Am J Optom Physiol Opt,1979
5. Fight fires with contacts?;Katchner;Contact Lens Forum,1985