The case of type IA of osteogenesis imperfecta tarda was described. Following results were presented: anamnesy, physical, ophthalmic and ORL examinations, laboratory findings, radiological and densitometric data. Clinical characteristic and mentioned above examinations allowed to take the definitive diagnosis. Family data showed features of this disease in the next generations and should be a base for diagnostic evaluation in whole family. Confirmation of diagnosis ought to be the important information concerning future life style, work etc. in the next generations.