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Reading stones (Glass Spheres) were placed on lettering to
make it easier to read (AD 1000)Salvino D'Armate, an Italian, is thought to have invented
the first wearable eyeglasses (1284)Zacharias Janssen invented the first compound Microscope.
This provided up to 9x Magnification (1595)J. J. Lister designed and made
microscope lenses
free from achromatic
aberration and spherical
aberration (1830)H. C. Gram developed improved
staining methods (1880)Golgi Developed
silver salts to stain
organelles (1870)The Use of Electron beams instead
of light in electron microscopes
gave improved
resolution and magnification.
(1930)Muslim scholar Ibn al-Haytham writes
the Book of Optics, which eventually
transforms how we understand light and vision (1021)Robert Hook Coins term "Cells" when reffering to tissue (1665)Phase contrast microscope
allows living cells
to be examined (Present Day)
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