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Deals with the history of eyeglasses from their invention in Italy ca. 1286 to the appearance of the telescope three cent. later. "By the end of the 16th cent. eyeglasses were as common in western and central Europe as desktop computers are in western developed countries today." Eyeglasses served an important technological function at both the intellectual and practical level, not only easing the textual studies of scholars but also easing the work of craftsmen/small bus. During the 15th cent. two crucial developments occurred: the ability to grind convex lenses for various levels of presbyopia and the ability to grind concave lenses for the correction of myopia. As a result, eyeglasses could be made almost to prescription by the early 17th cent. Illus.
The historiography of early photography has scarcely examined Islamic countries in the Near and Middle East, although the new technique was adopted very quickly there by the 1840s. Which regional, local, and global aspects can be made evident? What role did autochthonous image and art traditions have, and which specific functions did photography meet since its introduction? This collective volume deals with examples from Iran, the Ottoman Empire, and the Arab lands and with the question of local specifics, or an „indigenous lens." The contributions broach the issues of regional histories of photography, local photographers, specific themes and practices, and historical collections in these countries. They offer, for the first time in book form, a cross-section through a developing field of the history of photography.