Aaron N (M/30) came with complaint of slight blurry seeing far away/driving recently.. he wears contact lens R: -3.00 L:-2.75 whenever he goes for sports.
Unaided Vision
R: 6/60
L: 6/45
Existing glasses of 2years
R: -3.50 (6/6)
L: -2.50/-0.50×90 (6/6)
Examination shows:
R: -3.50 (6/6) (+1.00 blur lens test 6/12-) [R: right dominant eye]
L: -2.75 (6/6) (+1.00 blur lens test 6/9-)
Other assessments show:
Cover Test, CT
Distance: NMD
Near: small XP, fast recovery
Howell Card (6BD on OD)
Distance: 1 EP
Near: 0 – 2 XP
+1.00 Near: 2 – 4 XP
-1.00 Near: 0 – 1 EP
+2.00 Near: 6 XP
-2.00 Near: 1 – 3 EP
NRA
+2.25 (mono occlusion: OD clear, OS blurry)
PRA
-1.50 (mono occlusion: OD blurry, OS blurry)
NPC (RAF rule)
TTN, TTN, TTN, TTN, TTN, TTN
AA (RAF rule)
R: 31 YO, 31 YO, 31 YO
L: 30 YO, 30 YO, 30 YO (blur @end of RAF rule, clear @36cm)
Accommodation Facility (Flipper +/-1.50) [target 20/40 words]
BE: 10 cpm, difficult minus lens
R: 12 cpm, difficult minus lens
L: 12 cpm, difficult minus lens
MEM
R: +0.50
L: +0.25
Fusional Reserves (Prism Bar)
Near, NFV: 10/12/10
Near, PFV: x/20/18
Distance, NFV: x/10/8
Distance, PFV: x/20/16
Vergence Facility (Prism Flipper of 12BO & 3BI)
Near: 5 cpm (slow BO)
Distance: 7 cpm (slow BO)