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George Mayerle’s Eye Test Chart (ca. 1907)

- December 12, 2017 in charts, diagrams, eye charts, eyes, george mayerle, graphic design, optometry, symbols

This fantastic eye chart — measuring 22 by 28 inches with a positive version on one side and negative on the other — is the work of German optometrist and American Optometric Association member George Mayerle, who was working in San Francisco at end of the nineteenth century, just when optometry was beginning to professionalise. […]

George Mayerle’s Eye Test Chart (ca. 1907)

- December 12, 2017 in charts, diagrams, eye charts, eyes, george mayerle, graphic design, optometry, symbols

This fantastic eye chart — measuring 22 by 28 inches with a positive version on one side and negative on the other — is the work of German optometrist and American Optometric Association member George Mayerle, who was working in San Francisco at end of the nineteenth century, just when optometry was beginning to professionalise. […]

Images from Johann Zahn’s Oculus Artificialis (1685)

- March 7, 2017 in camera obscura, eyes, invention of the camera, lenses, magic lantern, optics

The excellent engravings from Johann Zahn's early and comprehensive account of the function and usage of a number of optical instruments, including the camera obscura and magic lantern.

Images from Johann Zahn’s Oculus Artificialis (1685)

- March 7, 2017 in camera obscura, eyes, invention of the camera, Johann Zahn, lenses, magic lantern, optics

The excellent engravings from Johann Zahn's early and comprehensive account of the function and usage of a number of optical instruments, including the camera obscura and magic lantern.

Images from Johann Zahn’s Oculus Artificialis (1685)

- March 7, 2017 in camera obscura, eyes, invention of the camera, Johann Zahn, lenses, magic lantern, optics

The excellent engravings from Johann Zahn's early and comprehensive account of the function and usage of a number of optical instruments, including the camera obscura and magic lantern.

Georg Bartisch’s Ophthalmodouleia (1583)

- November 5, 2015 in disease, eyes, Georg Bartisch, medicine, Ophthalmodouleia, ophthalmology

Images from Ophthalmodouleia Das ist Augendienst, the first Renaissance manuscript on ophthalmic disorders and eye surgery, published in 1583 by German physician Georg Bartisch (1535–1607), considered by many to be the father of modern ophthalmology.

Georg Bartisch’s Ophthalmodouleia (1583)

- November 5, 2015 in disease, eyes, Georg Bartisch, medicine, Ophthalmodouleia, ophthalmology

Images from Ophthalmodouleia Das ist Augendienst, the first Renaissance manuscript on ophthalmic disorders and eye surgery, published in 1583 by German physician Georg Bartisch (1535–1607), considered by many to be the father of modern ophthalmology.