Louis Émile Javal of text, but make short rapid movements (saccades) intermingled with short stops (fixations). Javal's observations were characterised by a reliance on naked-eye observation of eye movement in the absence of technology. Javal's interest in strabismus was due to the disorder affecting his father and sister. Javal himself had heterochromia. At middle-age Javal developed glaucoma, and by 1900 was totally blind. He was a friend of Ludwik Łazarz Zamenhof (1859-1917), the inventor of Esperanto, and he stressed the importance of learning this language by the blind. In addition, he was involved in social reform issues that included education and circumstances surrounding
Ludwik Starski Ludwik Starski Ludwik Starski (born Ludwik Kałuszyner, 1 March 1903 in Łódź – died 29 February 1984 in Warsaw) was a Polish Jewish lyricist, sound engineer and screenwriter of the twentieth century. He was the father of the cinematographer Allan Starski, who often worked with movie director Andrzej Wajda. Ludwik worked with Eugeniusz Bodo, Władysław Szpilman and with Tadeusz Sygietyński. Before the Second World War he was a journalist with the newspaper "Express Wieczorny Ilustrowany (The Evening Express)". He was also a lyricist of songs for cabarets, cafés and theater, including theater "Qui Pro Quo, Gong, Morskie Oko, Perskie Oko,