<prompt> A 10 year old boy presents with severe itching of the eye and a ropy discharge. His symptoms aggravate in summer season. Most likely diagnosis is?BlepharitisTrachomaVernal keratoconjunctivitisAcute conjunctivitis  <response>: Vernal keratoconjunctivitis or spring catarrh is a recurrent, bilateral interstitial allergic inflammation of the conjunctiva usually seen in young males. It has seasonal incidence as the name suggests. Ref: A.K KHURANA 2005, Chapter 4, Disease of The Conjunctiva, In the book, Opthalmology, 3rd Edition, Newdelhi, Page 101 