Below are the main rubriks (i.e strongest indications or symptoms) of Nux Vomica in traditional homeopathic usage, not approved by the FDA.
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Photophobia; much worse in morning
Smarting, dry sensation in inner canthi
Infra-orbital neuralgia, with watering of eyes
Optic nerve atrophy; from habitual use of intoxicants
Paresis of ocular muscles; worse, tobacco and stimulants
Orbital twitching radiating towards the occiput
Optic neuritis.≡ more ...