RT Journal Article SR Electronic T1 Practical hazards of photic sneezing. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 447 OP 447 DO 10.1136/bjo.75.7.447-a VO 75 IS 7 A1 Benbow, E. W. YR 1991 UL http://bjo.bmj.com/content/75/7/447.2.abstract AB