Typical Development: aging adult

Presbycusis

age related sensorineural hearing loss, cusis = hearing

Presbyopia

age related vision loss, farsightedness, opia = vision

Presbyphonia

age related voice changes, phonia = voice

Presbyphagia

age related swallow changes, phagia = swallowing

What causes presbycusis high frequency hearing loss?

hair cell damage 

What is the treatment for presbyopia?

reading glasses

How does presbyphonia affect the voice?

Weaker, breathy voice, more breaks and stops during speech, higher pitch in men, lower pitch in women, reduced loudness, laryngeal tension, tremor

How does presbyphagia affect swallowing?

Decreased strength and sensation (taste), slower swallow response, laryngeal penetration is more common