Eye and head movements during low contrast reading with single vision and progressive lenses
Ying Han Ciuffreda, Kenneth Joseph Ciuffreda, Arkady Selenow, Elizabeth Bauer, Steven R. Ali, Lincoln Spencer · 2001
Eye and head movements were recorded objectively during reading of low contrast text on both a single page and a double page presentation at an intermediate test distance using either SVL or PAL having different intermediate zone widths. Lens design impacted on reading eye movements and reading ability.