While younger Catholics with vision impairment may be quick to tap into the expanding technology, older Catholics with blindness -- or those living alone or in out-of-the-way places -- often are less likely to access and acquire technology so they can download content.

Worshipping with other deaf Catholics feels like home. They sign prayers and responses with others and communicate after Mass with peers who understand.

People with intellectual disabilities are, as Jean Vanier is fond of calling them, “friends of time.”

The documentary version of Andrew Solomon's book emphasizes the love parents have for children with autism, deafness and other unexpected identities.

With a smile on his face and his right arm raised in the air, Francis placed his two middle fingers in his palms and signed “I love you.”