Sin Poh Chan

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Ms Sin (F/47) came with complaint of needing to adjust her glasses in order to see near better with her glasses of 2years. She has had Lasik more than 10 years ago.

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

Vision with existing power
R: PL (6/6)
L: PL/-0.50×30 (6/6)
Add: +1.00

Examination shows:
R: PL (6/6)
L: PL/-0.50×30 (6/6)
Add: +1.50

Other assessments show:

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

Howell Card
Distance: 0
Near: 6 – 8 XP
+1.00 Near: 10 XP
-1.00 Near: 4 XP 

NRA
+0.75

PRA
-0.50

NPC
TTN, TTN, TTN, TTN, TTN, TTN

AA
R: 44yo, 44yo, 44yo
L: 43yo, 43yo, 43yo

MEM
R: +0.25
L: PL

Fusional Reserves (Prism Bar)
Near, PFV: x/x/x
Near, NFV: x/20/14
Distance, NFV: x/10/8
Distance, PFV: x/30/20

Vergence Facility (Prism Flipper 12BO/3BI)
Near: 9 cpm
Distance: 11 cpm

Slit Lamp Examination
R: no cataract
L: no cataract

Fluorescein
R: very mild inferior staining
L: very mild inferior staining