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. 2005 Dec;103:368–411.

COMPRESSIVE OPTIC NEUROPATHY

Visual acuity (corrected) (OD):
○ 20/20
(0)
○ 20/40+
(1)
○ 20/50–20/80
(4)
○ >20/80–20/200
(8)
○ >20/200
(15)
Visual acuity (corrected) (OS):
○ 20/20
(0)
○ 20/40+
(1)
○ 20/50–20/80
(4)
○ >20/80–20/200
(8)
○ >20/200
(15)
Visual acuity (best corrected) (OU):
○ 20/20
(0)
○ 20/40+
(1)
○ 20/50–20/80
(4)
○ >20/80–20/200
(8)
○ >20/200
(15)
Visual Field:
Mean deviation (OD):
○ No deviation
(0)
○ 0–5 dB
(1)
○ 5.1–10 dB
(5)
○ >10 dB
(10)
Mean deviation (OS):
○ No deviation
(0)
○ 0–5 dB
(1)
○ 5.1–10 dB
(5)
○ >10 dB
(10)
Foveal sensitivity (OD):
○ >30 db
(0)
○ 27–30 db
(8)
○ 24–26.9 db
(12)
○ <24 db
(20)
Foveal sensitivity (OS):
○ >30 db
(0)
○ 27–30 db
(8)
○ 24–26.9 db
(12)
○ <24 db
(20)
Pupils (afferent pupillary defect):
○ Absent
(0)
○ Present
(15)
Color vision (No. of plates missed) (OD):
○ <4
(0)
○ ≥ 4
(5)
Color vision (No. of plates missed) (OS):
○ <4
(0)
○ ≥ 4
(5)
Papilledema (OD): Papilledema (OS):
○ Absent
(1)
○ Present
(15)
○ Absent
(1)
○ Present
(15)
Choroidal folds (OD): Choroidal folds (OS):
○ Absent
(1)
○ Present
(5)
○ Absent
(1)
○ Present
(5)