Asthenopia

Merck's 1899 Manual of The Materia Medica · 1899 · p. 2

Acid, Hydrocyanic: in irritable ophthalmia. Atropine: to prevent spasms. Eserine or Pilocarpine: in weak solution, to stimulate ciliary muscle. Hot Compre es. Ma age. Myotomy, Intraocular: to relieve spasms. asthenopia. Strychnine.