Impacts of hearing or vision illnesses or disorders on lifespan development. does the stage of development significantly alter the impact of the disorder on quality of life?

Yes, the stage of development significantly alter the impact of the disorder on quality of life. Presbycusis is a growing problem that has been reported to reduce quality of life (QoL). The term “presbycusis” refers to hearing loss that is associated with the cochlear degenerative process of aging. 

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass