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In 460 BCE. Birth of Hippocrates, Greek physician considered the father of medicine.Hippocrates bases medicine on deductive reasoning. -
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In the year 1508, Leonardo Da vinci illustrates and invents a brief idea of contact lenses. -
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In 1590, Zacharius Jannssen invented the microscope that is used to discover new diseases and increase our knowlage on cells. -
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William Harvey publishes a novel on how blood is pumped through the heart and transfered throghout the body. -
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Edward Jenner develops a method to protect people from smallpox by exposing them to the cowpox virus. -
citeSir johnHerschalcreates a thporough concept of contacts:how they function, how to use, what they are made for. Contacts were made for those unwilling to wear glasses.
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Dr. Horace Wells used nitrous oxide as an anesthetic. -
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Dr. William Morton demonstrates ether's anesthetic properties when performing a tooth extraction. -
citeFirst vaccine for plague.
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First vaccine for cholera -
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First vaccine for anthrax -
First vaccine for rabies
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The first contacts are manufactured and are made from glass. They are painful during use and are made to fit the entire eye. -
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First vaccine for typhoid fever. -
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Contacts before this pont have not been the disposable kind and are now available to the people. This is to help maintan the cleanliness of them and prevent any harmful substances from getting to the eyes. -
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First vaccine for tuberculosis. -
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The first, distrubuted to society, contacts were manufactored out of plastic and not used by the majority. -
citeThis innovation on the first plastic contact lenses are now made to cover only the eye's cornea.
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This year was the introduction to soft contact lenses as a hope they would be more convienent and appealing to the consumers.
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Not long after the introduction to soft contacts lenses, this is year another attemt to appeal more to the consumer and improve vision of the public. GP stands for gas permeable. -
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New contact lenses made especialy for overnight and were approved by the FDA. They are also soft ontacts and are an innovation on the original plastic contact. -
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Silicone-hydrogel contacts are now on the market and made for the public. They are made to be more effective in vision repair and imporvement. -
Overnight use of ortgokeratology lenses become available to the people and are now approved by the FDA. Therefore being more trustworthy to the people.
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Custom-manufactured silicone-hydrogel lenses become available. They are the consumers tofay use and are made specificaly to correct the vision of a single perons eye. Considering not everyone lacks in vision the same -
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Rhazes, Persian physician, is the first to identify smallpox, as distinguished from measles, and to suggest blood as the cause of infectious disease.