div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader039vdocumentsusreader039viewer2022021919587ee9ea1a28ab17388b6833html5page1jpg target=_blank img data-url=pupil-size-researchhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Pupil size research loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentsusreader039viewer2022021919587ee9ea1a28ab17388b6833html5thumbnails1jpg width=140 height=200 adivpE Shanks PhD 2013pdiv