I don't know. Can't remember ever seeing a chick hatched with closed eyes. Keep him in the incubator nice and warm. Time will tell. If no one else is hatching you could try the drop of sugar water. Don't get it in his nostrils, just a tiny drop on the side of his beak. Poor thing is...
If it can breath, you should have time to wait and see if it gets out on its own now. Mine was days after all the others hatched. I was cleaning out the incubator and heard peeping from what I assumed was a no hatch egg. When I turned it upside down I saw the pip and dried membrane. No...
Same thing happened to me with my last hatch. I gently helped the little bugger out of her shell. She bounced around in a little ball shape trying to uncurl. I gave her drops of diluted vitamins, electrolytes and sugar water. Just allow the drip to catch the side of her beak and they will...