"Tarpayati iti tarpanam" - to nourish or irrigate
The Netra kriyakrama in which sneha is kept in the eye is called akshi tarpanam. It is the process of giving nutrition to the eye by making the medicated ghrta to stayover the external eye, for a specific period of time. It has both curative and preventive effects.
Absorption is very high as drugs are lipid and water
soluble with good corneal penetration.
Drug is in the form of vesicles composed of lipid membrane enclosing an aquesous volume of drug.
Tissue contact time and bioavailability is highest.
Main lie of treatment in posterior segment disorder of eye and nerve diseases, Degenerative conditions.
Lekhana is a type of ashta vidha sastra karma indicated in certain vartma rogas especially diseases of palpabral conjuctiva. It removes affected tissue and helps in rejuvenation.
Pothaki, vartmasarkara, bahala vartma, slishta vartma, kardama vartma, syavavartma,pillam, pittolklishta, kapholklishta, ulkishta vartma, sikata vartma, kukunakam etc.
It is highly modified procedure for ophthalmic medication in which putapaka rasa is kept in the eyes as tarpana kriya. It should be done after tarpana kriya.