Medicated ghee are kept on the eyes in a dam made from black gram flour (lentil dough) for 15-20 minutes.
Purvakarma (Pre-treatment): Before undergoing Netra tarpana, there should be kaya shuddhi (body purification) and Shiro-shudhi (head purification). Kaya shuddhi is done by an eliminatory procedure like emesis or purgation. Shiro-shudhi (head purification) is done before netra tarpan by nasya. The channels have to cleared before netra tarpan by washing the eyes with triphala water for few days depending on the blockage.
Effective in releiving eye related problems. It cools, lubricates, and rejuvenates the eyes improves the inner vision by clearing out the subtle channels associated with inner and outer perception. It helps to bring back brightness and clarity to the eyes as impurities are expelled out. It is also used to help early formation of cataract, helps with sleep, Glaucoma, Chronic Conjunctivitis, and promotes relaxation.