Universal Newborn Hearing Screenings (UNHS) is mandated in a majority of the United States.<unk>  is sometimes difficult to catch right away, even with these precautions in place. Parental suspicion of a hearing loss is a trustworthy screening tool for hearing loss, too; if it is suspected, that is sufficient reason to seek a hearing evaluation from an audiologist. In most parts of Australia, hearing screening via AABR testing is mandated, meaning that essentially all congenital (i.e., not those related to later onset degenerative disorders)<unk>  cases should be diagnosed at birth.
Auditory neuropathy
Optic neuropathy
Retinal degeneration 
Peripheral neuropathy
Autonomic neuropathy
Maculopathy
Cataract
Subacute myelo-optic neuropathy