Vjai (M/42) came with complaint of dizziness after he accidentally sat on his glasses of 1+yrs. Vision is fine seeing far & near. His job scope is mostly outdoor.
Vision without glasses
R: 6/15-
L: 6/12-
Existing glasses (crooked on nose bridge)
R: -0.25/-2.00×100 (6/6)
L: -0.25/-1.50×80 (6/6-)
Examination shows:
R: PL/-1.25×90 (6/6) [+1.00 blur test: 6/7.5] [R: right dominant eye]
L: PL/-1.25×90 (6/6) [+1.00 blur test: 6/7.5] L>R
Near: N5@45cm (R>L) (adding +0.75 in OS: L>R)
Other assessments show:
Cover Test
Distance: NMD (ACT: pt reported RE sees target going to his right, LE sees target going to his left)
Near: small XP, fast recovery
Howell Card (6BD on OD)
Distance: 3 EP
Near: 4 XP
+1.00 Near: 8 XP
-1.00 Near: 4 XP
NRA
+2.00
PRA
-0.50
Modified
R: PL/-1.25×90
L: PL/-1.25×90
Add: +1.00
NPC (RAF rule)
14/16cm, 14/16cm, 14/16cm, 14/16cm, 14/16cm, 14/16cm
AA (RAF rule)
R: 42yo, 42yo (with Add +0.50.. blurry with Add +1.00)
L: 43yo, 44yo (with Add +1.00)
MEM
R: vy small pupil
L: vy small pupil
Modified
R: PL/-1.25×90
L: PL/-1.25×90
Add (R/L): +0.75/+1.00
Accommodation Facility (+/- 1.00)
BE: 9 cpm, difficult minus lens
R: 10 cpm, difficult plus lens
L: 10 cpm, difficult plus lens
Fusional Reserves (Prism Bar)
Near, PFV: x/16/12
Near, NFV: 8/10/8
Distance, NFV: 4/6/4
Distance, PFV: 8/14/12 (above blur point 8, double then single)
Vergence Facility (Prism Flipper 12BO, 3BI)
Near: 15 cpm
Distance: 15 cpm
Interpupillary distance, IPD = 6.8cm
