Hektoen International

A Journal of Medical Humanities

Tag: Johann Gutenberg

  • The history of eyeglasses

    Efforts to improve vision date back to the ancient civilizations of India and China. Greek scholars such as Ptolemy and Euclid endeavored to understand the physics of light refraction, the mechanisms of lenses, and how their properties can enhance vision and literacy. The Romans magnified the letters they were looking at by placing reading stones…