Adjustable and comfortable design: Features an adjustable chin rest and headrest with a distance range of 150 to 190 mm to perfectly accommodate all head sizes, delivering precision and comfort for users of varying dimensions. Innovative chin and forehead support set: Designed to provide optimal support and comfort for patients during eye exams, especially when using auto refractometers or other optical devices, ensuring stability and ease during procedures. Lifting adjustment mechanism: Equipped with a computer-controlled forehead drag bracket that automatically raises and lowers via buttons to meet different height requirements, featuring a simple operation and rust-proof electroplating for durability. Forehead bracket functionality: Can be used in conjunction with eyeglasses and as a headband to lift the face, supporting the chin while helping achieve proper vision alignment during examinations or training sessions. Scope of Application: Widely used in optical shops, optometry centers, eye care centers and other places, automatic refractors, vision training, optical instruments, Manufacturer: RAGOPILEN