theres many ways to do think. first balance your chakras. the third eye helps with clairvoyance, but focusing just on that one will cause trouble. you need a steady flow of energy through all your chakras. certain herbs and crystals are said to help with the ability to see spirits. meditation can also help, and skrying can be used. work on strengthening your sixth sense as this is what helps people see spirit. just remember not everyone can 'see' spirits. you might be able to sense them, or possibly hear them, but you cannot see them.
I can very briefly open up my spiritual sight to see the energy, and at times figures or forms (physical sight, but seeing spiritual phenomena). I haven't ever seen a form that wasn't around a person yet though. What I have seen was deep reds and blues swirling around the room, like colored smoke or water, and a pulsating bright yellow coming off of my own body. This was when I was not looking at anyone.
When I opened my sight while looking at another person, I have seen detailed forms, faces, etc which will typically overlap them. While talking to someone I saw a form overlap their face that looked like a pharaoh due to the eye makeup and the headdress. A few seconds after I saw this he started talking about ancient Egypt, which was interesting to me. I concluded that the forms I saw might have had to due with what he was thinking about in some way due to that, but there are other possibilities, such as if a spirit associated with that sort of thing suggested it to his subconscious.
One other person I was looking at, at a church service while we was speaking (I figured if I was gonna stare at someone I might as well try to focus) I saw a form cover his face that looked kind of like what we think of Aliens usually. He started talking about how during a certain time when he was drumming he felt like something else took over his body. He was referring to the holy spirit, but the way he was talking about it seemed a little unusual. If what I saw had anything to do with his thoughts, then perhaps he was holding back an idea he had about aliens too. Or maybe it didn't have anything to do with it at all.
One other person, and the only other person I've looked at this way, had two different faces cover his sequentially. First I saw a very angry looking gladiator-looking type of person with a face that had an expression that indicated rage. And then that disappeared, and another form appeared that looked like a face that was made of sand, very dry.
These are the only experiences I had had with this, as I never really try to open my sight this way lately(I'm trying to achieve something else spiritually at the moment). It can be rather tedious and the energy has to be just right.. and it takes awhile to focus enough to get it flowing into your sight, at which point is usually when I start to see the energy. I find that if I move my physical sight or blink or anything it kinda takes me out of the right state and interferes with it, so I kinda have to get into a weird, very still state where I can just focus through my sight.
As for a method- concentrated meditation where you basically focus intently on your vision and on the energy, but not in a dualistic way.. as in, not trying to think of two things at once- you focus on the energy of your sight, I suppose is the simplest way to put it. And just keep doing that. Stare at something if you want, or don't. Sometimes if I close my eyes and focus and start to feel the energy, when I open them I will see the colors in the space, especially in pitch darkness. Light interferes but it is still possible to see it. It is definitely easier in darkness because not much else is coming into your perception of sight. However sometimes moving my eyes or anything like that will take me out of that state that allows me to see clearly enough, so if you want to try a half-lidded stare to try to avoid too much blinking then that could help as well. The main focus should be being very focused on your vision, and the 'stuff' of the spirit realm.
this may sounds a bit weird. But any form of imagenations can do alot. if you play games, in your minds. like you did, when you where a child. Playing need to be apart of it. while, going around, my head. from the living room, to the kicthen, and the shower. Playing with a ball, in your mind, see it flowing around, like a light saver?!?. like it would be Star Wars or something. It will work in your mind, until u can actually, see it in a physical form.
I see a very tall and dark man, who's been hunting me, in my hallway. he's wearing some sort of a laso?.. its making, my shclerose worse, in some how!?!?. Maybe its somehting from my past? or something? I've also seen a blue spirit, without any physical form, though?!?!.
please be careful and make a astral protection, before. this will get you very tired. look astral protection up, in the forums,.