Isaac (M/13) came with broken glasses, right lens was missing. Vision with existing glasses is fine seeing far & near. He has headache about twice/week.. he usually starts having headache after near work towards end of day.
Vision without glasses
R: xguess 6/120 (with squinting eye: 6/60-)
L: 6/120 (with squinting eye: 6/45)
Existing glasses 2years
R:
L: -7.50/-3.25×165 (6/12-)
Examination shows:
R: -9.50/-1.75×180 (6/7.5-, 6/6-) N5@35cm
L: -7.50/-2.50×165 (6/9-) [PH 6/7.5-] [L: left dominant eye] N5@35cm
Other assessments show:
Cover Test
Distance: NMD
Near: small to moderate XP, fast recovery
Howell Card (10BD on OD)
Distance: 2 XP
Near: 10 – 12 XP
Howell Card (8BD on OD)
+1.00 Near: 3 EP
-1.00 Near: 3 EP
+2.00 Near: 2 XP
-2.00 Near: 4 XP
NRA
+1.00 (mono occlusion: OD clear, OS blurry)
PRA
-0.50 (mono occlusion: OD clear, OS clear)
NPC (RAF rule)
OS deviates @12cm
AA (RAF rule)
R: 10.5D, 10.5D, 10.5D (blur @end of RAF rule, clear @32cm)
L: 8.5D, 8.5D, 8.5D (blur @end of RAF rule, clear @28cm)
Accommodation Facility (+/- 2.00)
BE: 16 cpm, difficult minus lens
R: 17 cpm, difficulty minus lens
L: 11 cpm, difficult plus lens
MEM
R: +0.75
L: +0.25/PL
Fusional Reserves (Prism Bar)
Near, PFV: x/25/20
Near, NFV: 8/14/10
Distance, NFV: x/4/1
Distance, PFV: x/6/2
Vergence Facility (Prism Flipper 12BO/3BI)
Near: 1 cpm (double BO)
Distance: 8 cpm (slow BI)
Interpupillary distance, IPD = 6.5cm
