<prompt> Which of the below is a feature of Osteogenesis imperfecta?Blue scleraCataractAnterior uveitisRetinal detachment  <response>: Ans. is a i.e., Blue sclera o Osteogenesis imperfecta, also known as brittle bone disease, is due to defective collagen type 1 synthesis.o It is inherited mostly as autosomal dominant but autosomal recessive pattern also seen in severe form. Clinical features of osteogenesis imperfecta Blue sclera Dentinogenesis imperfecta a Generalized osteoporosis Osteoporosis given rise to bowing and multiple fractures. Fracture are usually due to trivial trauma but surprisingly heal well. Other features: Deafness due to otosclerosis, joint laxity, dwarfism, broad skull, poorly calcified decidual teeth Permanent teeth are normal. Radiology shows wormian bones in the skull. 