Astanga Hrudaya
त्रिफलां मधुसर्पिर्भ्यां निशि नेत्रबलाय च। स्वास्थ्यानुवृत्तिकृद्यच्च रोगोच्छेदकरं च यत्॥४४॥
Triphala along with honey and ghee should be consumed at nights daily for strengthening of eye sight. Any other thing which is good for promoting/maintaining health and dispelling diseases can also be consumed habitually.
english translation
triphalAM madhusarpirbhyAM nizi netrabalAya ca। svAsthyAnuvRttikRdyacca rogocchedakaraM ca yat॥44॥
hk transliteration by Sanscript