(spoiler) Can't find eye

[Janakev]

You're most welcome. Now onto your next problem.

Examine the door with a right click and if you're still stuck read the spoiler:

Spoiler below!

There should be a rock or something (I think the room with the computer has a chair) around, pick it up and give the door a few whacks. It'll start to open (it's on a sliding mechanism), keep hitting it until it's open enough for you to push through or push it open the rest of the way.