Mr Chan KF (M/41) came for eye examination, vision with existing glasses is fine seeing far & near. He only wears his glasses when he is driving or watching TV.
Unaided Vision
R: 6/9-
L: 6/18-
Vision with existing glasses of 2 years
R: -1.25/-1.50×15 (6/6-)
L: -1.50/-1.50×160 (6/6-)
Add: +0.75
Examination shows:
R: -1.25/-1.50×15 (6/6) (+1.00 blur lens test: 6/9+)
L: -1.50/-1.50×160 (6/6) (+1.00 blur lens test: 6/12) [L: left dominant eye] L>R
Add: +1.00
Other assessments show:
Cover Test
Distance: NMD
Near: NMD
Howell Card (6BD on OD)
Distance: 0 – 1 EP
Near: 2 – 4 XP
+1.00 Near: 10 XP
-1.00 Near: 2 XP
NRA
+1.50
PRA
-1.00
NPC (RAF rule)
8/11cm, 8/11cm, 8/11cm, 8/11cm, 8/11cm, 8/11cm
AA (RAF rule)
R: 35yo, 35yo, 35yo
L: 40yo, 41yo, 42yo (blur @end of RAF rule, clear @42cm)
Accommodation Facility (Flipper +/- 0.50)
BE: 18cpm, difficult minus lens
R: 19cpm, difficult minus lens
L: 20cpm, difficult plus lens
MEM
R: +0.50
L: +0.25
Fusional Reserves (Prism Bar)
Near, NFV: x/25/20
Near, PFV: x/20/16
Distance, NFV: x/10/8
Distance, PFV: x/20/18
Vergence Facility (Prism Flipper of 12Base Out & 3Base In)
Near: 1 cpm (double BO)
Distance: 1 cpm (double BO)
Interpupillary distance, IPD = 6.9cm
* All near tests are done with Add.
