What is the site of lesion in a patient with alexia without agraphia?

Alexia without agraphia (or Pure alexia) Patient is unable to read, despite preservation of other aspects of language such as a spelling and writing. Due to lesions in left occipital coex and posterior pa of corpus callosum known as splenium. Due to interruption of visual input into language network. The blood vessel involved is posterior cerebral aery.