An alternating applanation interface for a patient, comprising: a lens holder system that can be attached to a distal end of an ophthalmic surgical laser system； a contact lens supported by a lens holder system configured to provide contact with an eye surface； and an adjustable clamp connected to at least one lens holder system and a contact lens, and configured to connect to an off-center region of the ocular surface, accommodate a contact lens to contact the central region of the ocular surface with a central applanation, accommodate a contact lens to contact the expanded region of the ocular surface, oversized central area with expanded applanation, and allowing switching between a central applanation and an expanded applanation applause. 2. The patient's alternating applanation interface according to claim 1, characterized in that: the adjustable collar is made with the possibility of switching between the central applanation and the extended applanation of the contact lens without disconnecting the specified collar from the off-center region of the ocular surface. 3. The variable applanation interface of a patient according to claim 1, characterized in that the adjustable collar configured to switch between the central applanation and the expanded applanation comprises: an adjustable collar configured to provide at least one switching from the central applanation to the expanded applanation and switching from extended applause to central applanation. 4. Variable applanation patient interface1. Переменно-аппланационный интерфейс пациента, содержащий:систему держателя линзы, которая может быть присоединена к дальнему концу офтальмологической хирургической лазерной системы；контактную линзу, поддерживаемую системой держателя линзы, выполненную с возможностью обеспечения контакта с поверхностью глаза； ирегулируемый хомут, соединенный по меньшей мере с одной системой держателя линзы и с контактной линзой, и выполненный с возможностьюсоединения с нецентральной област
