Ms Wong (F/49) came for eye examination, vision with existing glasses is fine seeing far, but seeing near blurry. The coating of her lenses has peeled as she washed her glasses with soap during Covid.
Vision without glasses
R: guess 6/120
L: 6/45-
Vision with existing glasses of 4yrs (PH worn higher)
R: -5.00/-0.50×170 (6/6-)
L: -3.00/-0.75×10 (6/6-)
Add: +1.50
Examination shows:
R: -4.75/-0.25×180 (6/6-) (+1.00 blur lens test: 6/9-) (R: right dominant eye)
L: -3.00/-0.50×10 (6/6-) (+1.00 blur lens test: 6/15-)
Add: +2.00 (N5@40cm)
Other assessments show:
Cover Test
Distance: NMD
Near: NMD
Howell Card (6BD on OD)
Distance: 0 – 1 EP
Near: 0 – 2 XP
+1.00 Near: 4 – 6 XP
-1.00 Near: 0 – 2 XP
NRA
+1.00
PRA
-0.75
NPC (RAF rule)
TTN, TTN, TTN, TTN, TTN
AA (RAF rule)
R: 42yo, 42yo
L: 44yo, 44yo
Accommodation Facility (Flipper +/- 0.50)
BE: difficult minus lens
R: difficult minus lens
L: difficult minus lens
MEM
R: +0.75
L: +0.75
Fusional Reserves (Prism Bar)
Near, NFV: x/14/10
Near, PFV: 10/20/18 (above blur point 10, double then single)
Distance, NFV: x/10/4
Distance, PFV: x/25/18
Vergence Facility (Prism Flipper of 12BO & 3BI)
Near: 3 cpm (slow BO & BI)
Distance: 0 cpm [double BI]
Slit Lamp Examination
R: mild yellowish on lens
L: mild yellowish on lens
Fluorescein staining
R: -ve staining
L: -ve staining