Mercury: when due to syphilis.
Myotomy: in asthenopia and hysterical amblyopia.
Nitroglycerin.
Nux Vomica.
Phosphorus.
Pilocarpine: in tobacco and alcoholic abuse.
Potassium Bromide.
Potassium Iodide.
Rue: in minute doses in functional dimness of vision, e.g. hysterical amblyopia.
Salicylates.