THE MERCK MANUAL: The Merck Manual of Diagnosis and Therapymultimedia

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  • Trachoma
  • Stage 2 Trachoma (Pannus Formation)

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    Stage 2 Trachoma (Pannus Formation)

    In the early 2nd stage of trachoma, loops of blood vessels from the limbus begin to invade the upper half of the cornea, a process known as pannus formation.

    Image courtesy of Gottfried O.H. Naumann via the Online Journal of Ophthalmology (