<prompt> Giant papillary conjunctivitis is seenTrachomaContact lensPhlytenular conjunctivitisVernal kerato conjunctivitis  <response>: It is the inflammation of conjunctiva with formation of very large sized papillae. Etiology :It is a localised allergic response to a physically rough or deposited surface contact lens, prosthesis, left out nylon sutures. Probably it is a sensitivity reaction to components of the plastic leached out by the action of tears. ref: A K KHURANA OPHTALMOLOGY,E4, Page-77 