Ho Hak Cheang

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Mr Ho HC (M/42) came for eye examination, with complaint of slight blurry far vision with existing glasses.. near vision is fine.

Unaided Vision
R: 6/120 (with squinting eye: 6/30-)
L: xguess 6/120 (with squinting eye: 6/45-)

Vision with existing glasses of 3 years
R: -6.00/-1.75×170 (6/7.5-)
L: -7.75/-1.25×10 (6/7.5-)
Add: +0.75

Examination shows:
R: -6.75/-0.75×170 (6/6) (+1.00 blur lens test: 6/12)
L: -8.25/-0.50×10 (6/6) (+1.00 blur lens test: 6/9-) [L: left dominant eye]
Add: +1.25

Other assessments show:

Cover Test
Distance: NMD
Near: small XP, fast recovery

Howell Card
Distance: 1 EP
Near: 6 XP 
+1.00 Near: 12 XP 
-1.00 Near: 2 – 4 EP

NRA
+1.00

PRA
-0.75

NPC (RAF rule)
10/12cm, 10/12cm, 10/12cm, 10/12cm, 10/12cm, 10/12cm

AA (RAF rule)
R: 43yo, 43yo, 44yo (blur @end of RAF rule, clear @36cm)
L: 43yo, 43yo, 43yo (blur @end of RAF rule, clear @40cm)

Accommodation Facility (Flipper +/- 0.50)
BE: 16cpm, difficult minus lens
R: 15cpm, difficult minus lens
L: 14cpm, difficult minus lens

MEM
R: +0.50
L: +0.50

Fusional Reserves (Prism Bar)
Near, NFV: 10/16/14 (above blur point 10, double then single)
Near, PFV: 8/16/14
Distance, NFV: x/6/4
Distance, PFV: 16/18/14

Vergence Facility (Prism Flipper of 12Base Out & 3Base In)
Near: 7 cpm (slow BO)
Distance: 6 cpm [slow BO & BI(more difficult)]

Interpupillary distance, IPD = 6.6cm