OPTICAL GLASSES FRAMES

OPTICAL GLASSES FRAMES

OPTICAL GLASSES FRAMES

Eyeglasses, also called glasses or spectacles, lenses set in frames for wearing in front of the eyes to aid vision or to correct such defects of vision as myopia, hyperopia, and astigmatism. In 1268 Roger Bacon made the earliest recorded comment on the use of lenses for optical purposes, but magnifying lenses inserted in frames were used for reading both in Europe and China at this time, and it is a matter of controversy whether the West learned from the East or vice versa. In Europe eyeglasses first appeared in Italy, their introduction being attributed to Alessandro di Spina of Florence. The first portrait to show eyeglasses is that of Hugh of Provence by Tommaso da Modena, painted in 1352. In 1480 Domenico Ghirlandaio painted St. Jerome at a desk from which dangled eyeglasses; as a result, St. Jerome became the patron saint of the spectacle-makers’ guild. The earliest glasses had convex lenses to aid farsightedness. A concave lens for myopia, or nearsightedness, is first evident in the portrait of Pope Leo X painted by Raphael in 1517.

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