RT Journal Article SR Electronic T1 Blinking and operating: cognition versus vision JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 479 OP 479 DO 10.1136/bjo.86.4.479 VO 86 IS 4 A1 K K W Wong A1 W Y Wan A1 S B Kaye YR 2002 UL http://bjo.bmj.com/content/86/4/479.1.abstract AB