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  • Optics: lens grinding tools and different products with lenses. Engraving by Benard after J.R. Lucotte.
  • Women grind glass lenses while two customers try spectacles on. Coloured line engraving, 1799.
  • Women grind glass lenses while two customers try spectacles on. Coloured line engraving, 1799.
  • Optics: a telescopic microscope, and hand-lenses. Aquatint, 1787 [by R. Laurie after Milne ?].
  • Alcon Softlab : for the disinfection of all soft contact lenses, preservative free, requires no neutralisation.
  • Alcon Softlab : for the disinfection of all soft contact lenses, preservative free, requires no neutralisation.
  • A purple eye or set of lenses (?) with two drooping branches at the sides. Watercolour by M. Bishop, 1967.
  • A purple eye or set of lenses (?) with two drooping branches at the sides. Watercolour by M. Bishop, 1967.
  • A small case of false eyes, white glass, with blood vessels in red, and vari-coloured lenses. Made by W. Halford of London.
  • A small case of false eyes, white glass, with blood vessels in red, and vari-coloured lenses. Made by W. Halford of London.
  • A small case of false eyes, white glass, with blood vessels in red, and vari-coloured lenses. Made by W. Halford of London.
  • A sheet showing optical instruments, eye examinations, diagrams to show the effect of lenses and diagrams of the eye with a numbered key. Wood engraving.
  • A sheet showing optical instruments, eye examinations, diagrams to show the effect of lenses and diagrams of the eye with a numbered key. Wood engraving.
  • Example of two glass eyes, white glass, with blood vessels in red, and vari-coloured lenses, from a small case. Made by W. Halford of London.
  • A pair of rose-tinted spectacles with two rose-coloured condoms instead of the lenses; representing protection against AIDS. Colour lithograph after M. Kolvenbach and G. Meyer, 199-.
  • Contact lens
  • Contact lens
  • Lens tissue, LM
  • Iris Coloboma with intra-ocular lens.
  • Optics: lens grinders at work (top) and stages in grinding a lens with the tools used (below). Engraving by Benard after Lucotte.
  • Optics: the principle of multi-lens telescopes. Engraving.
  • Formation of image by means of a lens.
  • Hydraulics: diagrams illustrating displacement, diffration and lensing. Engraving by W. Lowry, 1811.
  • Eye showing a dislocation of the lens into the anterior chamber
  • Eye with dislocation of the lens due to a melanotic sarcoma
  • Quaestio medica chirurgica ... An sola lens crystallina cataracte sedes? / [Jean Descemet].
  • Quaestio medica chirurgica ... An sola lens crystallina cataracte sedes? / [Jean Descemet].
  • Quaestio medica chirurgica ... An sola lens crystallina cataracte sedes? / [Jean Descemet].
  • Tobias and the angel stroll through a classical landscape. Mezzotint by B. Lens.
  • Saint Stephen: his martyrdom by stoning. Engraving by P. Masson after B. Lens.