Table 6

- Distribution of patients’ optic neuritis clinical data by their disease duration, Saudi Arabia.

Clinical dataDisease durationP-value
>25 days11-15 days
No(%)No(%)
Pupillary reaction
Defective6(46.2)1(50.0).919
Normal7(53.8)1(50.0)
Painful eye movement
Absent10(76.9)0(0.0).032*
Present3(23.1)2(100.0)
Color vision
Decreased8(61.5)1(50.0).756
Normal5(38.5)1(50.0)
Visual Acuity
<20/2001(7.7)0(0.0).921
>20/2006(46.2)1(50.0)
20/2006(46.2)1(50.0)
Optic disc
Blurred5(38.5)0(0.0).177
Normal4(30.8)0(0.0)
Pale4(30.8)2(100.0)
Brain MRI findings
Multiple lesions5(38.5)1(50.0).364
Normal6(46.2)0(0.0)
Not done2(15.4)1(50.0)
Number of attacks
One attack of optic neuritis5(38.5)1(50.0).756
Two or more attacks of optic neuritis8(61.5)1(50.0)
Vision consequences in optic neuritis patients
<20/200, Presence loss of field of vision1(7.7)0(0.0).883
20/2006(46.2)1(50.0)
Improved better than 20/2004(30.8)1(50.0)
Presence of loss of field of vision2(15.4)0(0.0)
Vision prognosis for optic neuritis
Complete resolution of their symptoms with some residual vision loss1(7.7)0(0.0).049*
Complete resolution of their symptoms without some residual vision loss4(30.8)0(0.0)
Continued visual change4(30.8)0(0.0)
Reduced color vision3(23.1)0(0.0)
Missing1(7.7)2(100)

P - Exact probability test,