asthenopia (eye strain)

Etiology

• overuse of eye muscles during intense tasks
  • driving a car
  • working on the computer
  • reading a book

Epidemiology

• common

Pathology

• sense of being fatigued is caused by the ciliary muscle tightening as it strains during these visual intense tasks

Clinical manifestations

• symptoms are temporary
  • dry eyes
  • itchy eyes
  • general pain in the eyes
  • headache
  • back pain
  • neck pain

Management

• sleep
• eye exercises

More general terms

• eye disease (ophthalmopathy)
• sign/symptom