Table 2 Components of the clinical score

Conjunctivitis

Normal

0

Mild hyperemia

1

Moderate to severe hyperemia

2

Moderate to severe hyperemia, with chemosis

3

Blepharospasm

Normal

0

< 25% of eye closed

1

25–50% of eye closed

2

50–75% of eye closed

3

75–100% of eye closed

4

Ocular discharge

75–100% of eye closed

0

75–100% of eye closed

1

75–100% of eye closed

2

75–100% of eye closed

3

Sneezing

Normal

0

Observed

1

Nasal discharge

Normal

0

Minor, serous, occasional with blood

1

Minor to moderate, mucoid or bloody

2

Marked mucopurulent

3

Nasal congestion

Normal

0

Mild

1

Moderate

2

Severe, with open mouth breathing

3

Coughing

Normal

0

Coughing noted

1