Apple VoiceOver includes the option to magnify the screen, control the keyboard, and provide verbal descriptions to describe what is happening on the screen.
ˈæpəl vˈɔɪs ˌoʊvɚɹ ɪŋklˈuːdz ðɪ ˈɑːpʃən tə mˈæɡnᵻfˌaɪ ðə skɹˈiːn, kəntɹˈoʊl ðə kˈiːboːɹd, ænd pɹəvˈaɪd vˈɜːbəl dᵻskɹˈɪpʃənz tə dᵻskɹˈaɪb wʌt ɪz hˈæpənɪŋ ɔnðə skɹˈiːn.