Gall byddardod neu nam ar y clyw ar unrhyw oedran gael effaith negyddol ar lefelau cyfathrebu a gwneud u bobl deimlo eu bod wedi'u hynysu rhag y byd o'u cwmpas. Mae'n hanfodol canfod colled i’r clyw ymhlith plant ifanc cyn gynted â phosibl er mwyn darparu'r gofal a chymorth iawn ac i sicrhau y gallant gyfathrebu'n effeithiol i gyrraedd eu potensial addysgol a chymdeithasol a'u potensial o ran cyflogaeth yn llawn.
Deafness or loss of hearing at any age can negatively affect levels of communication and can leave people feeling isolated and detached from the world around them. It is vital to detect hearing loss among young children as soon as possible to provide the right care and support and to ensure they can effectively communicate to reach their full educational, employment and social potential.