A patient interface with variable flattening (200), comprising: a lens support system (210), which can be attached to a distal end of an ophthalmic surgical laser system； a contact lens (220), supported by the lens support system, configured to come into contact with a surface of the eye； and an adjustable coupler (230), coupled to at least one of the lens support system and the contact lens, and comprising a suction ring (231), adapted to form an air tight contact with an eye surface, and, the adjustable coupler being configured: to engage a non-central region of the eye surface, to adapt to the contact lens to come into contact with a central region of the eye surface with a central flattening, together with an application of a first suction to the suction ring, to adapt to the contact lens to come into contact with an extended region of the surface of the eye greater than the central region with an extended flattening together with an application of a second suction to the suction ring and to allow a change between the central flattening and the extended flattening, in which the contact lens (220) that comes into contact with the central region of the eye surface allows e that the ophthalmic surgical laser system perform at least one of a cataract laser procedure, a capsulotomy, a lens lysis, a photodisruption and a lens cut of an eye lens； and the contact lens (220) that comes into contact with the extended region of the eye surface allows the ophthalmic surgical laser system to form at least one of a limb relaxation incision, an arched incision, an access cut to the anterior chamber, an entrance cut to the anterior chamber, a flap cut and a corneal refractive procedure.Una interfaz de paciente con aplanación variable (200), que comprende: un sistema de soporte de lente (210), que puede unirse a un extremo distal de un sistema de láser quirúrgico oftálmico； una lente de contacto (220), soportada por el sistema de soporte de lente, configurada para entrar en cont
