Faster flicker rate increases reading speed on CRTs

Bruce Bridgeman; Michael Montegut

doi:10.1117/12.152738

8 September 1993 Faster flicker rate increases reading speed on CRTs

Bruce Bridgeman, Michael Montegut

Proceedings Volume 1913, Human Vision, Visual Processing, and Digital Display IV; (1993) https://doi.org/10.1117/12.152738
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1993, San Jose, CA, United States

Abstract

We have investigated whether reading is adversely affected by the flicker of VDTs. We use 60 Hz flicker for our low frequency because it is the standard used in most computer monitors, and 500 Hz for our upper boundary because it provides nearly constant presentation. Sixty hertz flicker results in 16.67 ms of dead time after every screen write. Therefore, there is no usable information at the fixation point for an average of 8.33 ms following a saccadic eye movement. We hypothesized that the visual system might have to wait for text to become available after each saccade, slowing reading speed. The 500 Hz condition allows 2 ms of dead time with an average wait of 1 ms.

Citation Download Citation

Bruce Bridgeman and Michael Montegut "Faster flicker rate increases reading speed on CRTs", Proc. SPIE 1913, Human Vision, Visual Processing, and Digital Display IV, (8 September 1993); https://doi.org/10.1117/12.152738

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