King James Version
And it came to pass, that when Isaac was old, and his eyes were dim, so that he could not see, he called Esau his eldest son, and said unto him, My son: and he said unto him, Behold, here am I.English Standard Version
When Isaac was old and his eyes were dim so that he could not see, he called Esau his older son and said to him, "My son"; and he answered, "Here I am."New International Version
When Isaac was old and his eyes were so weak that he could no longer see, he called for Esau his older son and said to him, "My son.Here I am," he answered.