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by rramadass 650 days ago
Yes, but not fully cross-eyed, there should be no strain, you are focusing on a point within the "blackness" when your eyes are closed. Start with the midpoint between the eyebrows and keep your whole focus/attention on it and nothing else i.e. let go of everything with no other thoughts. Slowly move the focal point back and forth until you literally feel a jolt/dropping sensation.