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I think that this sounds like a logical sequence of procedures that would need to happen, assuming that your cornea is the problem that is limiting your sight. In order for your eye to have any hope of staying straight after its surgery to straighten the muscles, the sight needs to be restored and if the cornea is the sight-limiting problem in the eye, the cornea would probably need to be transplanted (and a new lens put in at that time, possibly). So, yes, this does sound like a reasonable scenario. I know it sounds like a big haul of surgery, but if taken one at a time, it's quite likely that it would be successful, helping you see and restoring your eyes to a straight-ahead, aligned position.