Below are the main rubriks (i.e strongest indications or symptoms) of Natrum Phosphoricum in traditional homeopathic usage, not approved by the FDA.
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Eyes weak; agg. from gas-light 8 p.m.
Slight burning, lachrymation, must rub eyes.
Cutting in r. eye.
Eyes feel as if sand in them.
Pain over eyes.
Pressure on r. eye during menses.
Pressure over r. eye with sighing.
Pain in l. orbit, with pain in bowels, extending up into chest; flatulence.
R. supraorbital neuralgia.
Lids heavy, itch along margins.
Dryness of l. eyeball with bruised pain.
Vision dim; flickering; halo round gas-light.
(Squinting, with worms.).
Disturbed vision, one pupil dilated.≡ more ...