<prompt> Blue sclera is seen in all of the following conditions exceptKeratoconusMarfans syndromeOsteogenesis imperfectaRheumatoid ahritis  <response>: Blue sclera is not seen in Keratoconus It is seen in all conditions like Marfans syndrome Rheumatoid ahritis Osteogenesis imperfecta. Refer: Khurana 6th edition page number 144 