Solutions to helmet-mounted display visual correction compatibility issues

Clarence E. Rash; Melvyn E. Kalich; Corina van de Pol

doi:10.1117/12.478879

5 August 2002 Solutions to helmet-mounted display visual correction compatibility issues

Clarence E. Rash, Melvyn E. Kalich, Corina van de Pol

Proceedings Volume 4711, Helmet- and Head-Mounted Displays VII; (2002) https://doi.org/10.1117/12.478879
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

To meet the goal of 24-hour, all-weather operation, U.S. Army aviation uses a number of imaging sensor systems on its aircraft. Imagery provided by these systems is presented on helmet-mounted displays (HMDs). Fielded systems include the Integrated Helmet Display Sighting System (IHADSS) used on the AH-64 Apache. Proposed future HMD systems such as the Helmet Integrated Display Sighting System (HIDSS) and the Microvision, Inc., Aircrew Integrated Helmet System (AIHS) scanning laser system are possible choices for the Army's RAH-66 Comanche helicopter. Ever present in current and future HMD systems is the incompatibility problem between the design-limited physical eye relief of the HMD and the need to provide for the integration of laser and nuclear, biological and chemical (NBC) protection, as well as the need to address the changing optical and vision requirements of the aging aviator. This paper defines the compatibility issue, reviews past efforts to solve this problem (e.g., contact lenses, NBC masks, optical inserts, etc.), and identifies emerging techniques (e.g., refractive surgery, adaptive optics, etc.) that require investigation.

Citation Download Citation

Clarence E. Rash, Melvyn E. Kalich, and Corina van de Pol "Solutions to helmet-mounted display visual correction compatibility issues", Proc. SPIE 4711, Helmet- and Head-Mounted Displays VII, (5 August 2002); https://doi.org/10.1117/12.478879

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