The most simple and highly informative method for differential diagnostic of DSM with HC is currently EDI-OCT. In difficult differential diagnostic cases, it is recommended to use FA and MRI. Additionally, for identification of the cause of SRD in DSM, OCT-angiography and ICG-angiography can be used. Thus, diagnostics of DSM is difficult today primarily because of the low awareness of ophthalmologists about the presence of such macula pathology. Detection of this anatomical feature by means of ophthalmoscopy alone can be difficult and requires special skills and experience. The use of EDI-OCT, as well as FA and MRI in difficult differential diagnostic cases, and correct interpretation of the obtained data can help avoid diagnostic errors.