Kay (M/37) came with glaring driving at night with existing glasses.. the lens coating has peeled & cracked.
Vision without glasses
R: 6/60+1
L: 6/45
Existing glasses
R: -2.75/-1.25×20 (6/6)
L: -2.25/-0.75×10 (6/6)
Examination shows:
R: -3.00/-0.75×15 (6/6) [+1.00 blur test: 6/9]
L: -2.50/-0.25×10 (6/6) [+1.00 blur test: 6/7.5-] [L: left dominant eye]
Cover Test
Distance: NMD
Near: small XP, fast recovery
Howell Card (6BD on OD)
Distance: 0
Near: 8 – 10 XP
+1.00 Near: 10 – 12 XP
-1.00 Near: 6 – 8 XP
NRA
+1.00 (mono occlusion: OD clearer, OS blurry)
PRA
-2.00
NPC (RAF rule)
6/8cm, 6/8cm, 6/8cm, 6/8cm, 6/8cm, 6/8cm
AA (RAF rule)
R: 36yo, 37yo, 38yo (blur @end of RAF rule, clear @36cm)
L: 39yo, 39yo, 39yo (blur @end of RAF rule, clear @36cm)
Accommodation Facility (+/- 1.00)
BE: 17 cpm, difficult minus lens
R: 16 cpm, difficulty minus lens
L: 17 cpm, difficult minus lens
MEM
R: +0.50
L: +0.50
Fusional Reserves (Prism Bar)
Near, PFV: 18/30/25
Near, NFV: x/30/25
Distance, NFV: x/14/12
Distance, PFV: 25/30/25
Vergence Facility (Prism Flipper 12BO/3BI)
Near: 12 cpm
Distance: 12 cpm
Interpupillary distance, IPD = 7.3cm
Modified
R: -3.00/-0.75×15
L: -2.50/-0.25×10
Add: +0.50
Contact Lens (Daily disposable for sports) 9.0
R: -2.75
L: -2.25