Ruta: By reading.
Belladonna: On account of inflammation, blood-shot eyes; very painful.
Spigelia: When pain on left side of the head shoots into the left eye ball.
Sanguinaria: When pain on the right side of the head shoots into the right eye-ball.
Natrum Mur: When pain on either side or both sides shoots into the eye-ball.
Cedron: Pain over left eye after coitus.
Onosmodium: Feeling of tension in the eyes, as from straining them to read small print. Desire to have things far off to look at them.
