RT Journal Article SR Electronic T1 Acquired cone dysfunction. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 812 OP 816 DO 10.1136/bjo.56.11.812 VO 56 IS 11 A1 J H Kelsey A1 G B Arden YR 1972 UL http://bjo.bmj.com/content/56/11/812.abstract AB