Vipashyana
Vipashyana (Tib. lhaktong; lhag mthong) 'Clear seeing' or 'insight' meditation.
Prerequisites for Vipashyana
Kamalashila’s second Stages of Meditation (Skt. bhavanakrama) mentions three prerequisites for developing vipashyana:
1. Reliance upon a spiritual teacher
2. Genuinely engaging in extensive study
3. Appropriate reflection