S. No.

Parameters

Description

Score

1

Blurring of vision

Not afflicted in vision

NAA

Very severe: no outline of image seen

1

Severe: outline seen but no shape

2

Moderate: both outline and shape seen but blurred

3

Mild: very slight blurring

4

Becomes normal

5

2

Pain-eye

Not afflicted in vision

NAA

Very severe: IV analgesics required

1

Severe: IM analgesics required

2

Moderate: oral analgesics required

3

Mild: tolerable, no medication required

4

Becomes normal

5

3

Fatigue-eye Asthenopia

Not afflicted in vision

NAA

Very severe: all the time eyes closed

1

Severe: can open eyes but do not follow direction

2

Moderate: can open eyes and follow direction

3

Mild: open eyes continuously but difficulty occasionally

4

Becomes normal

5

4

Itching of eye

Not afflicted in vision

NAA

Very severe: constant

1

Severe: for a period of 2 - 4 hours

2

Moderate: for a period of 8 - 12 hours

3

Mild: 1 to 2 occasions of itching

4

Becomes normal

5

5

Burning sensation of eye

Not afflicted in vision

NAA

Very severe: constant

1

Severe: for a period of 2 - 4 hours

2

Moderate: for a period of 8 - 12 hours

3

Mild: 1 to 2 occasions of burning

4

Becomes normal

5

6

Redness of eye

Not afflicted in vision

NAA

Very severe: full sclera involved and constant

1

Severe: peripheral sclera clear

2

Moderate: around pupil redness

3

Mild: redness occurs for some time in the day

4

Becomes normal

5