Contact Lenses

The birth of contact lenses dates back to Leonardo da Vinci, who noted an optic continuum between the inner surface of the water in a glass sphere and the outer surface of the cornea, when immersing the latter in the first. At a later time, in 1636, Cartesio published “The Dioptrics”, in which he perfected Leonardo’s idea. He explained that a tube filled with water and placed on the cornea, ending with a lens which perfectly matches the cornea, is able to cancel or reduce the eye’s refractive anomalies.

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