Resumen
Protector for test glasses for simulated ametropia that includes an opaque plate (1) pierced by a hole (2) of the same dimensions as the inner ring of the test glasses, with at least one hook (3) to tie the protector to the glasses, which has: an internal rod (4), which can be lengthened according to the number of lenses and thickness of the test glasses; a screw (5) to fix the position to which it is necessary to extend the internal rod so that it is attached to the glasses; and some grooves (6) for holding the lenses that compensate for ametropia. (Machine-translation by Google Translate, not legally binding)