Partially blind doesn't seem like it will stop her from being mostly normal. I have a full grown rooster that went fully blind as a chick, and I have another partially blind chick right now. The fully blind rooster requires a little bit of daily help to survive, but the partially blind one requires less care if any.
In my experience, animals are much more adaptable than people. We tend to think about what we had and lost; they tend to move forward with their new reality. It may take Lizzie a little while to adjust, but she has someone who cares for her and will help her.
I have had a multitude of "handicapped" pets -- from an eyeless cat to a deaf dog. Currently, Sally -- a barred Cochin Bantam -- hops around remarkably quickly on one leg.. Surgery removed a stricture wound to one of her legs; that leg is now featherless and fairly fixed in its position. Yesterday, one of the full-sized hens decided to steal Sally's grape. Fearless little Sally chased Evie, grabbed hold of the bigger girl's feathers and held on with a death grip.
Lizzie will learn to find her new normal, too. Best wishes for her.