- Objective measurements of lower-level visual stressNiru K Nahar
College of Optometry, The Ohio State University, Columbus, Ohio 43210, USA
Optom Vis Sci 84:620-9. 2007..To determine the sensitivity of the electromyography (EMG) response of the orbicularis oculi muscle to selected lower-level visually stressful conditions to establish the extent to which it can be used as a measure of visual discomfort...
- Low-loss polynomial White cell optical true-time delay engine for wideband radio frequency array beam steeringNiru K Nahar
Department of Electrical and Computer Engineering, The Ohio State University, Columbus, Ohio 43210, USA
Appl Opt 48:3921-9. 2009..We present a design and simulation of a low-loss delay arms quartic cell without a lens train by using a separate field lens for each delay arm for efficient wideband beam steering...
- Interactions of visual and cognitive stressNiru K Nahar
The Ohio State University, College of Optometry, Columbus, USA
Optometry 82:689-96. 2011..The objective of this research is to assess the ocular and muscular response to long-duration reading under different visual and cognitive difficulty levels...
- Asthenopia and blink rate under visual and cognitive loadsSowjanya Gowrisankaran
College of Optometry, The Ohio State University, Columbus, Ohio, USA
Optom Vis Sci 89:97-104. 2012..The purpose of this study was to evaluate the contribution of increased cognitive load (with or without visual stress inducing conditions) to asthenopic symptoms associated with prolonged near work...