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Ho Yong Bin

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3/4/2022

YBin (M/9) came for follow up after 2 years, has been staying home due to the pandemic. He has just returned to school, and when asked, he reported that he is able to see & copy from the whiteboard. Father has high short-sightedness.

Vision without glasses
R: 6/21
L: 6/12-

Vision with existing glasses of 2 years
R: PL/-1.50×175 (6/21)
L: -0.25/-1.00×175 (6/12)

Examination shows:
R: -1.75/-1.25×175 (6/6) [+1.00 blur lens test: 6/12-] (R: right dominant eye)
L: -1.00/-0.75×175 (6/6) [+1.00 blur lens test: 6/9-]

Other assessments show:

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

Howell Card (6BD on OD)
Distance: 0
Near: 6 – 8 XP –> 4 – 6 XP
+1.00 Near: 4 – 6 XP –> 2 – 4 XP

NRA
+2.50

PRA
-3.25

Accommodation Facility (Flipper +/-2.00) chart held at <30cm
BE: 10 cpm, no difficulty reported
R: 15 cpm, no difficulty reported
L: 15 cpm, no difficulty reported

Fusional Reserves (Prism Bar)
Near, PFV: 18/25/10
Near, NFV: x/4/2
Distance, NFV: 6/8/4
Distance, PFV: x/16/14

Fusional Reserves (Prism Bar)
Near, PFV: x/8/6 (test was repeated again)

Vergence Facility (Prism Flipper of 12Base Out & 3Base In)
Near: 2 cpm (double BO.. sometimes double BI too)
Distance: 2 cpm (double BO)

AA (RAF rule)
R: 8 YO, 8 YO, 8 YO
L: <6 YO, 6 YO, 6 YO

NPC (RAF rule)
8/10cm, 6/8cm, 10/12cm, 10/12cm, 6/8cm, 8/10cm

3D Vision (Random Dot 3S)
32″
12.5″ (with Add +0.75)

We refer for cycloplegic refraction.

*UpdatedA

YBin came back with eye prescription.

Prescription
R: -1.75/-1.75×175 (6/6)
L: -1.00/-0.75×175 (6/6)

*UpdatedA (25/9/2022)

YBin came for follow up. Vision with new glasses is fine seeing far & near.

Existing new glasses
R: -1.75/-1.75×175 (6/6)
L: -1.00/-0.75×175 (6/6)
Add: +1.50

Other assessments show:

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

Howell Card
Distance: 0 – 1 EP
Near: 10 XP 
+1.00 Near: 12 XP 
-1.00 Near: 0
+2.00 Near: 14 XP 
-2.00 Near: 3 EP

NRA
+1.50

PRA
-3.50

NPC (RAF rule)
6/8cm, 6/8cm, 6/8cm, 6/8cm, 6/8cm, 6/8cm

AA (looking through top part of lens)
R: 11.5D, 11.5D, 11.5D 
L: 8.5D, 8.5D, 8.5D 

AA (looking through bottom part of lens)
R: 15.5D, 15.5D, 15.5D 
L: 15.5D, 15.5D, 15.5D 

Accommodation Facility (Flipper +/- 2.00)
BE: 8cpm, difficult plus lens
R: 13cpm, difficult minus lens 
L: 12cpm, difficult minus lens 

MEM
R: +0.50
L: +0.50

Fusional Reserves (Prism Bar)
Near, PFV: x/20/14 (above break point 12, double then single)
Near, NFV: x/16/14
Distance, NFV: x/10/8
Distance, PFV: x/25/16

Vergence Facility (Prism Flipper of 12Base Out & 3Base In)
Near: 8 cpm (slow BO)
Distance: 10 cpm

Interpupillary distance, IPD = 5.6cm

YBin also mentioned about suddenly seeing whitish briefly about 2-3times when he was at class. We asked him to inform his parents & if the incident is frequent, he is to come back for follow up.

*UpdatedB (2/1/2022)

YBin came for follow up. Vision with new glasses is fine seeing far & near.

Existing glasses
R: -1.75/-1.75×175 (6/6-) N5
L: -1.00/-0.75×175 (6/6) N5
Add: +1.50

Other assessments show:

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

Howell Card
Distance: 0
Near: 2 – 4 XP
bottom of lens Near: 6 – 8 XP

NRA
+2.50

PRA
-2.50

NPC (RAF rule)
6/10cm, 6/10cm, 6/10cm, 6/10cm, 6/10cm, 6/10cm (OD deviates @6/8cm)

AA (looking through top part of lens)
R: 11.5D, 11.5D, 11.5D 
L: 8.5D, 8.5D, 8.5D 

AA (looking through bottom part of lens)
R: 15.5D, 15.5D, 15.5D 
L: 15.5D, 15.5D, 15.5D 

Accommodation Facility (Flipper +/- 2.00)
BE: 18cpm, no difficulty
R: 16cpm, no difficulty
L: 18cpm, no difficulty

MEM
R: +0.50
L: +0.50

Fusional Reserves (Prism Bar)
Near, PFV: x/30/20
Near, NFV: x/18/16
Distance, NFV: x/8/6
Distance, PFV: x/25/14

Vergence Facility (Prism Flipper of 12Base Out & 3Base In)
Near: 10 cpm (slow BO)
Distance: 12 cpm