Pterygium, Chalazion and Trachoma Power Point Presentation



Pterygium

  • Pterygium is a growth that develops on the conjunctiva or mucous membrane that covers the white part of the eye. 
  • It’s a benign or noncancerous growth that’s often shaped like a wedge.  


Chalazion


  • A chalazion is a small bump that appears on the eyelid because of a blocked oil gland. It can appear as a single granuloma or multiple granulomas in the upper or lower eyelids.


Trachoma


  • Is a contagious bacterial infection which affects the conjunctiva covering of the eye, the cornea and the eyelids. It is often associated with poverty and lack of proper hygiene.
  •  It is responsible for the visual impairment of 2.2 million people, of whom 1.2 million are irreversibly blind according to world health organization.


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