HXuan (F/20) came with complaint of sometimes blurry (take a bit of time to clear) looking back at far after near work & she reported needing to place her laptop closer to see better.
Vision without glasses
R: xguess 6/60 (squinting eye: 6/30+)
L: xguess 6/60 (squinting eye: 6/30-)
Existing glasses of 1year (Oc is xparallel)
R: -7.75/-1.25×180 (6/6-)
L: -8.75/-1.25×160 (6/6-)
Examination shows:
R: -8.25/-0.25×180 (6/6) [+1.00 blur test: 6/9] [R: right dominant eye]
L: -8.75/-0.25×160 (6/6) [+1.00 blur test: 6/9]
Other assessments show:
Cover Test
Distance: NMD (ACT: pt reported OD sees target going down, OS sees target going up)
Near: small EP, fast recovery (ACT: pt reported OD sees target going down, OS sees target going up)
Howell Card (10BU on OS)
Distance: –
Near: 7 – 9 EP
+1.00 Near: 1 – 3 EP
-1.00 Near: 9 – 11 EP
+2.00 Near: 1 EP
-2.00 Near: 21 EP
Maddox Rod
Distance: 3BO, R 2BD
Near: 2BO, R 2BD
NRA
+2.00
PRA
-1.75
NPC (RAF rule)
TTN, TTN, TTN, TTN, TTN, TTN
AA (RAF rule)
R: 15.5D, 15.5D, 15.5D (blur @end of RAF rule, clear @30cm)
L: 15.5D, 15.5D, 15.5D (blur @end of RAF rule, clear @30cm)
Accommodation Facility (+/- 2.00)
BE: 16 cpm, difficult minus lens
R: 16 cpm, difficulty minus lens
L: 16 cpm, difficult minus lens
MEM
R: +1.25
L: +1.25
Fusional Reserves (Prism Bar)
Near, NFV: 20/25/20
Near, PFV: x/30/25
Distance, NFV: x/12/10
Distance, PFV: x/30/25
Vergence Facility (Prism Flipper 12BO/3BI)
Near: 11 cpm (slow BI)
Distance: 13 cpm (slow BI)
W4D
R: 4 lights
L: 4 lights
Modified
R: -8.25/-0.25×180
L: -8.75/-0.25×160
Add: +1.00