Light-emitting ophthalmic treatment device; said device comprising: an ultra-regulated high intensity pulsed light equipment and an applicator head (1) in which a high-power discharge lamp (11) is housed, said applicator head (1) having a window (12) output of the light projected by the discharge lamp (11); characterized by comprising a hollow tubular adapter (2) defined in or attached to the applicator head and having a decreasing section between: a first mouth (21) with a greater surface area than the window (12) of the applicator head and facing said window; and a second light output mouth (22), with a smaller surface, which has a circular or elliptical section, and delimits the light application surface on the skin of the eyelid of one eye, with the eye closed; said adapter (2) concentrating the light towards the mentioned second outlet (22) of the adapter (2). (Machine-translation by Google Translate, not legally binding)