I don't know about the eye, you would need to talk to your therapist.
It does involve closing your eyes, but only for short periods of time. It is hard, as you do very much feel back 'in the moment', but it has helped me so much afterwards.
I think with any kind of therapy it's important to have a good relationship and trust your therapist, but even more so with something like this. You need to trust that they will have the judgement to take things as slowly as you need to, so that it isn't ever too much.
I spent over 10 years where every time I closed my eyes I saw my mum dying. I didn't even think about it any more, it was just what happened. I didn't even realise how abnormal it was until other stressors in my life made me at a point where I was no longer functioning.
I still have the memory, I can access it if I need to, but it doesn't bring up the same emotions and it's not what I see when I close my eyes. She helped me to focus on positive memories of her, so that when I think of her they are now the 1st things that come to mind.
Through the same process I also now have calming, peaceful images that I can bring to mind if I'm feeling anxious. I hadn't had a panic attack for over a year, but when I did the other day I was able to put myself in the place and calm myself down.
Honestly OP, it's been the best money I ever spent, I really do think it saved my life.