Brief revised post on some of medical disorders associated with keratoconus. They are as follows:   ·         Osteogenesis imperfecta ·         Blue sclera achondroplasia ·         Mental retardation ·         Ehlers danlos syndrome ·         Atopic dermatitis ·         Downs turners marfan’s mitral valve prolapse syndrome ·         Systemic lupus erythematosus ·         Pseudoxanthoma elasticum