Section 114. The industrial health inspectors shall, when obtaining information concerning the proper lighting of industrial establishments, make such investigation concerning the eye and vision in their relation to occupational diseases, including injuries to the eyes of employees and to the pathological effects produced or promoted by the circumstances under which the various occupations are carried on, as in the opinion of the attorney general is practicable, and it shall from time to time issue such printed matter containing suggestions to employers and employees for the protection of the eyes of the employees as it may deem advisable.