EYESIGHT Take 1/2 tsp of fennel powder and 1tsp sugar mix it with milk and drink at night to enhance eyesight. Another method is to grind 100 g of fennel seeds with 100g coriander seeds, 100 g mishri and 10 cardamoms. Take 2 tsp twice daily. To retard cataract growth grind together fennel, coriander and sugar and take 2tsp twice daily with water.