YMoi (F/47) came with complaint of glaring driving at night & eyestrain in right eye recently.
Vision without glasses
R: 6/6
L: 6/6-
Existing reading glasses of 3years: +1.25 OU
Examination shows:
R: PL (6/6) [+1.00 blur test: 6/15+] [R: right dominant eye]
L: PL (6/6) [+1.00 blur test: 6/15-]
Add: +1.50
Other assessments show:
Cover Test
Distance: NMD (ACT: pt reported OD sees target slanting up, OS sees target slanting down)
Near: small XP, fast recovery (bigger XP movement in OS than in OD)
Howell Card (6BU on OD)
Distance: 0 – 1 EP
Near: 8 – 10 XP
+1.00 Near: 8 – 10 XP
-1.00 Near: 4 – 6 XP
NRA
+1.50
PRA
-0.25
NPC (RAF rule)
8/14cm, 8/14cm, 8/14cm, 8/14cm, 10/16cm, 10/16cm
AA (RAF rule)
R: 45yo, 45yo, 45yo
L: 47yo, 47yo, 47yo (blur @end of RAF rule, clear @44cm)
Accommodation Facility (+/- 0.50)
BE: 12 cpm, difficult minus lens (N8 words target)
R: 17 cpm, difficulty plus lens (N8 single letter target)
L: 19 cpm, difficult minus lens (N8 single letter target)
MEM
R: +0.50
L: +0.50
Fusional Reserves (Prism Bar)
Near, PFV: 6/20/16
Near, NFV: 6/12/10
Distance, NFV: x/6/4
Distance, PFV: x/10/8
Vergence Facility (Prism Flipper 12BO/3BI)
Near: 5 cpm (slow BO)
Distance: 0 cpm (double BO) pt reported double – one shadow is up, the other is down
Interpupillary distance, IPD = 6.9cm
Modified
R: PL
L: PL
Add: +1.75
Amsler
R: no distorted lines (chart seems to be nearer)
L: no distorted lines (chart seems to be further away)
Fluorescein
R: -ve staining
L: -ve staining
