The review article discusses new research and trends in the treatment of retinitis pigmentosa. The genetic basis for the development of this group of degenerative conditions can be a number of mutations. The pathogenesis of retinitis pigmentosa is quite complex and requires detailed study taking into account the morphology and functioning of photoreceptor cells. To date, there is no single treatment regimen for this Diseases, therefore, its careful study is an important issue of modern ophthalmology. Areas covered. This review covers standard and innovative diagnostic techniques and complementary examinations needed for the evaluation and treatment of RP. It includes chapters on the assessment of visual function, retinal morphology, and genotyping.