tˈɛɹi ɡɹˈɪsmɚ wʌzɐ mˈaɪnɪŋ tɹˈʌk dɹˈaɪvɚ hˈuː, ˈæftɚ sˈʌfɚɹɪŋ fɹʌm ɐ stɹˈoʊk ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi fˈoːɹ, sˈʌfɚd fɹʌm həmˈɑːnɪməs hˌɛmiənˈoʊpiə ˈeɪtʃ.ˈeɪtʃ., ɐ vˈɪʒuːəl dˌɪsɐbˈɪləɾi ðæt ɹᵻdˈuːsᵻz ðə skˈoʊp ʌv pɚɹˈɪfɚɹəl vˈɪʒən.
Terry Grismer was a mining truck driver who, after suffering from a stroke in 1984, suffered from homonymous hemianopia (H.H.), a visual disability that reduces the scope of peripheral vision.