To pacify hyperactivity of the liver, quench its fire and improve vision.
Indications:
Headache and dizziness; blurred vision due to nebula, optic atrophy and night blindness.
The TCM Finder
The word 'Yan' means 'kind, benevolent or humane', while 'Sang' means 'birth, life, livelihood or living'. Put together, the phrase 'Yan Sang' means 'caring for mankind'.