Terrence (M/23) vision with existing glasses is fine seeing far & near. He dropped his glasses recently & there are scratches on his lenses.. he wants to make a new pair of glasses.
Vision without glasses
R: 6/60
L: 6/45+2
Existing glasses 2years
R: -3.75
L: -3.25
Examination shows:
R: -3.50 (6/6) [+1.00 blur test: 6/9]
L: -3.00 (6/6) [+1.00 blur test: 6/9] [L: left dominant eye]
Other assessments show:
Cover Test
Distance: NMD
Near: small esophoria, fast recovery
Howell Card (6BD on OD)
Distance: 1 EP
Near: 0 – 2 XP
+1.00 Near: 6 – 8 XP
-1.00 Near: 1 EP
+2.00 Near: 8 XP
-2.00 Near: 3 EP
NRA
+2.00 (mono occlusion: OD blurry, OS clear)
PRA
-2.00
NPC (RAF rule)
TTN, TTN, 6/8cm, 6/8cm, 6/8cm, 6/8cm
AA (RAF rule)
R: 30yo, 30yo, 30yo
L: 28yo, 28yo, 28yo
Accommodation Facility (+/- 2.00)
BE: 15 cpm, difficult minus lens
R: 14 cpm, difficulty plus lens
L: 14 cpm, difficult plus lens
MEM
R: +0.25
L: +0.25
Fusional Reserves (Prism Bar)
Near, NFV: 12/14/10
Near, PFV: 12/16/12 (above blur point 12, double then single)
Distance, NFV: x/8/4
Distance, PFV: x/30/25
Vergence Facility (Prism Flipper 12BO/3BI)
Near: 10 cpm (slow BO & BI)
Distance: 8 cpm (slow BO & BI)
Interpupillary distance, IPD = 6.8cm
Fluorescein
R: -ve staining
L: -ve staining
Modified (+/-0.25 test: seeing far2 away binocularly)
R: -3.25
L: -3.00
