Take 1 table spoon of pure Castor oil and massage the scalp gently; scented Castor Oil can also be used for this remedy. Along with this apply some of the Castor oil on the soles of both the feet and massage gently with the flat or rounded bottom side of a small copper vessel; like a Katori. This remedy should be practiced at night before going to bed for about 4 to 5 months.
The scalp massaged; using about 1 tablespoon pure almond oil; before retiring to bed is also said to give good results to those with poor eyesight. This remedy should be practiced for about 1 ½ months to get some positive results. You can also check this remedy to improve eyesight given - Here.
Massaging the scalp with Brahmi Oil and massaging the soles of the feet with Castor oil as mentioned above and applying Aloe Vera pulp to the soles and bandaging them at night also gives good results in improving bad eyesight. This remedy has to be practiced for 2 months.