Conjunctivitis is an infection primarily related to ______.

The correct answer is Eye.

Key Points

• The conjunctiva is a thin, transparent mucous membrane.
• It lines the inner surface of the eyelids and covers the sclera (the white part of the eye). 
• The conjunctiva contains glands that produce secretions that help to keep the eyes moist, and antibodies, which reduce infection.
• Conjunctivitis means ‘inflammation of the conjunctiva’.

Additional Information

• It is usual for both eyes to be affected in infectious cases. 
• Some causes include: 
  • The commonest cause is an infection by viruses or bacteria.
  • Due to chemical irritants.
  • Traditional eye remedies or allergies.

Important Points

• Effects:
  • The eyes are red and uncomfortable. 
  • Make the eyelids stick together.
  • The vision is usually not affected.