Mr Yeap (M/65) came for eye examination, with complaint of blurry near vision with existing ready reader of +4.00. He needs to do precision work on jewellery.
Vision without glasses
R: 6/12-
L: 6/15-
Vision with existing glasses
R: +1.75/-0.75×75 (6/7.5- 6/6-)
L: +2.25/-1.00×80 (6/9-)
Examination shows:
R: +1.75/-0.25×80 (6/7.5) (PHNI) (R: right dominant eye)
L: +2.25/-0.75×90 (6/7.5-) (PHNI)
Add: +2.00/+2.25 (N5@40cm)
Add: +3.00/+3.25 (N5@20cm) (when doing upclose precision work)
Other assessments show:
Cover Test
Distance: NMD
Near: small XP, fast recovery
Howell Card (6BD on OD)
Distance: 0
Near: 12 – 14 XP
+1.00 Near: 14 – 16 XP
-1.00 Near: 12 XP
NRA
+1.00
PRA
-1.00
NPC (RAF rule)
8/12cm, 8/12cm, 8/12cm, 8/12cm, 8/12cm, 8/12cm
Accommodation Facility (Flipper +/- 1.00)
BE: difficult plus lens
R: difficult plus lens
L: difficult plus lens
MEM
R: -0.25
L: -0.25
Fusional Reserves (Prism Bar)
Near, PFV: x/25/20
Near, NFV: x/20/18
Distance, NFV: x/8/6
Distance, PFV: x/x/x
Vergence Facility (Prism Flipper of 12BO & 3BI)
Near: 0 cpm (double BO)
Distance: 11 cpm
Slit Lamp Examination
R: cataract
L: cataract
Fluorescein staining
R: +ve staining inferiorly
L: +ve staining inferiorly (L>R)