7. Dimness of vision.
• Mode of onset(sudden ,gradual).
• Duration(short or long).
• For distance or near.
• Seeing double objects.
• Seeing flashes of light.
• Night blindness.
8. Pain in the eye.
• Mode of onset.
• Severity and duration.
• relation to close work.
• Time of day when maximum.
• Associated nausea, vomiting, photophobia,
impaired vision.
10. Secretion.
• Excessive and normal secretion
• Type of altered secretion
• Sticky eyes
• Associated crusts and flakes.
11. Disturbance of eyeball
• Eyelids
Altered position.
Altered direction of margin.
Disturbance in function.
• Direction of eyeball.
• Fixation of pupil or eyeball.
12. Headache.
• Location.
• Severity and type
• Relation to near work
• Time of day when maximum
• Factors which relieve or aggravate
• Associated nausea, vomiting blurred vision.