1. A.M. NEW VERTICAL KOWAL

2. AM, DOB 3/98. July 2005: closes one eye to read ‘for years’. Has been doing CVS computerized CI exercises X17 [out of a total of 85] for near diplopia. Notices diplopia on R gaze. Has incomitant LH and CI. NPC 18-20cm. LH: R gaze 12 , primary 9 , L gaze 7 . 80” stereo. Trial of small BD LE  to assit in reading. December 2005: Wants surgery. NPC 12-15cm. LH: R gaze 17 , primary 19 , L gaze 13 . Jan 2006: LIO Parks’ recessin. Day 9: NPC 7.5cm. LH : R gaze 4 , primary 6 , L gaze 3 . 20” strereo. May 2008: Recurrence of symtpoms last 6 months. NPC X 3: 12, 16, 18 cm L hypo: R gaze= primary = left gaze =2 . LIO 4-, LSR 2-, LIR 3-. Given small . February 2009. Not wearing glasses. L hypo: Right gaze 8 , primary 6 , L gaze 7 . NPC 10cm. stereo 40” Problem: late onset of progressive hypotropia after Parks’ IO recession.