Please, consult the doctor who wrote you a prescription.
If the prescription is correct, then your eyes just need to get used to the new lenses. Everything is individual. Basically, it takes from a week to a month of constant wear to adapt to new lenses.
Please note that in accordance with the legislation of the Russian Federation, lenses, as a medical product, may not be exchanged or returned, since they have individually defined properties and may be used exclusively by the consumer who purchases them.**