Mr Chin (M/54) came for eye examination, with complaint of blurry near vision after seeing phone for some time. with existing reading glasses. His far vision is okay.
Unaided Vision
R: 6/12
L: 6/12-
Existing glasses
R: +1.50
L: +1.50
Examination shows:
R: +0.75 (6/6) (+1.00 blur lens test: 6/7.5) [R: right dominant eye]
L: +0.75 (6/6) (+1.00 blur lens test: 6/7.5+)
Add: +2.00
Other assessments show:
Cover Test
Distance: NMD
Near: small XP, fast recovery
Howell Card
Distance: 0
Near: 4 XP
+1.00 Near: 6 XP
-1.00 Near: 2 XP
NRA
+1.25
PRA
-0.50
NPC (RAF rule)
6/8cm, 6/8cm, 6/8cm, 6/8cm, 6/8cm, 6/8cm
MEM
R: +0.50
L: +0.25
Fusional Reserves (Prism Bar)
Near, NFV: x/18/16
Near, PFV: x/x/x
Distance, NFV: x/8/6
Distance, PFV: 12/25/20 (above blur point 12, double then single)
Vergence Facility (Prism Flipper of 12Base Out & 3Base In)
Near: 12 cpm [slow BO]
Distance: 7 cpm [slow BO & BI(more difficult)]
We repeated (with Add: +2.25)
Fusional Reserves (Prism Bar)
Near, PFV: x/40/20
Interpupillary distance, IPD = 6.2cm