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
The Raising of Lazarus (Caravaggio) his memory—the whole design is based on an engraving after Giulio Romano and his Jesus is a reversed image of the Christ who called Matthew to join him in "The Calling of Saint Matthew". The painting is in poor condition and much restored, and it's possible that some passages are the work of assistants. According to Francesco Susinno, Caravaggio had produced a first version that he destroyed with a razor after adverse criticism. Subsequently he would have finished in record time the present version, but probably this account is fanciful. The Raising of Lazarus (Caravaggio) The Raising of Lazarus, c.