Indhu (F/24) came for eye examination, she is full-time contact lens wearer with no glasses. She had eye infection in left eye 2years ago due to overwear of contact lens. She started wearing -2.50 OU since 5-6years ago and she wears -2.50 in right eye only after the incident until now.
Vision without glasses
R: 6/45-
L: 6/12- slow
Examination shows:
R: -3.00 (6/6) [+1.00 blur test: 6/12] [R: right dominant eye] N5@40cm
L: PL (6/12-) [PH 6/9-] N6@40cm
Modified
R: -2.50
L: PL
Other assessments show:
Cover Test
Distance: NMD
Near: moderate XP, moderate recovery (prolonged ACT: breaking down into LXT) (XP movement is more in OS than OD)
Maddox Rod
R: L 6BI, L 1BU
L: L 10BI (penlight held slightly to examiner’s L – only pt is able to see vertical white line)
Howell Card (6BD on OD)
Distance: 2 XP
Near: 18 XP
+1.00 Near: 14 XP
-1.00 Near: 6 XP
Random Dot 3S
900″
100″ (with added minus lens -1.00 + focused/frowning)
Worth 4 Dots
Distance: 4 dots
Near: 5 dots (blink eyes: 4 dots)
NRA
+2.25
PRA
-2.50
NPC (RAF rule)
OS deviates @ 14cm/ 16cm x6
AA (RAF rule)
R: 11D, 11D, 11D
L: 8.5D, 8.5D, 8.5D (N12 target)
Accommodation Facility (+/- 2.00)
BE: 15 cpm, difficult minus lens
R: 12 cpm, difficulty minus lens
L: – cpm, difficult minus lens
MEM
R: +0.25
L: PL
Fusional Reserves (Prism Bar)
Near, PFV: x/8/6
Near, NFV: x/20/18
Distance, NFV: x/10/8
Distance, PFV: x/8/6
Vergence Facility (Prism Flipper 12BO, 3BI)
Near: 1 cpm (double BO)
Distance: 0 cpm (double BO)
We ask if she sees double when viewing near, she said she sometimes sees double (on horizontal) in which she will blink her eyes to see better.
Interpupillary distance, IPD = 6.4cm
