"Traditional nationalism cannot survive the fissioning of the atom. One world or none."Stuart Chase
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There are a number of reasons why so many people around the world suffer from vision deterioration old age, disease of the retina, cornea to name but a few. To help with vision around 1284 in Italy, Salvino D'Armate inventing the first wearable eyeglasses but vision aids where around much longer D'Armate design was very similar to what is still available today.
Who invented Contact Lenses?
Leonardo da Vinci sketched and described several forms of contact lenses in 1508, and in 1632 Rene Descartes suggested the possibility of a corneal contact lens. Adolph Fick first thought of making glass contact lenses in 1888, but it took until 1948 when Kevin Tuohy invented the soft plastic lens for contacts to become a reality.
What If I Want To Use Contacts
If you've been wearing spectacles and have never used contact lenses there are a number of things you need to do.
- Make an appointment with your eye care specialised, a regular eye test can help detect eye diseases before you notice the effect on your sight. Early treatment can often prevent your sight form getting worse
- When you go for your eye test you should take with you any glasses that you wear, the names of any medicine you are taking and the name of your doctor if needed.
- Your eye care specialised should discuss your eye test results and your eye health with you. Don't be afraid to ask questions about any aspect of your eye test.
So What Types Are Available?
Soft Contact lenses: Are made from oxygen permeable, which is a water-loving plastic. They contain between 30 and 80 per-cent water, depending on the type of lens. Many people enjoy the comfort of soft lenses they are easy to adapt to and fit both comfortably and securely.
Toric lenses: Patients who are diagnosed with astigmatism are normally prescribed toric contact lenses.
Disposable Contact lenses: These are good as they decrease the possibilities of a contact lens wearer getting infected, after a prescribed period of time, the lenses are thrown away and replaced with a new pair.
Gas Permeable lenses: Made of special firmer plastics, which are permeable to oxygen, these lenses are very durable and usually have a longer life span than soft lenses. Many people prefer them and find them easier to handle than soft lenses.
Safety Practices
There are safety measures for choosing, applying, and wearing contacts which you can follow to protect your eyes and provide for long-term, problem-free contact lens wear, including:
There are a number of safety measures to remember when using contact lenses
- Make sure you wash your hands before inserting or removing your contact lenses.
- Never borrow or lend your contact lenses to anybody else.
- Always clean the contact lenses with the solution provided to ward off infection and to cleanse it of protein enzyme deposits.
- If your contact lens gets torn or damaged, replace it immediately.
Not everybody can wear contact lenses if your prone to eye infection you may not be able to wear them, if your eyes sting, burn or itch you may be experiencing the common signs of "dry eye." A feeling of something foreign within the eye or general discomfort may also signal dry eye. This may require a visit to your eye care specialised.
If I have problem like dry-eye can I wear contact lenses?
You're may not have success with contact lenses than someone who does not have this condition. This of course does not mean that you cannot wear contact lenses at all. It basically means you may have a shorter contact lens wearing period than normal or you may have to wear your lenses only occasionally.
There is help available if needed you can make wearing contacts more comfortable by inserting eye lubrication drops. But, make sure you consult you eye care specialised beforehand to get advise.
(c) www.2020-contact-lenses.com
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About The Author
Martin Smith is a successful freelance writer providing advice for consumers on purchasing a variety of Contact Lenses which includes Bifocal Contact Lenses, Toric Contact Lenses, and more! His numerous articles provide a wonderfully researched resource of interesting and relevant information. Visit http://www.2020-contact-lenses.com.
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EU Joins Widening Push to Find New AntibioticsWall Street JournalBy STEN STOVALL LONDON—The European Union Thursday pledged funds to find new antiobiotics, its first attempt to help drugmakers develop medicines to fight increasingly drug-resistant superbugs that are taking more lives every year and adding to rising ...and more » |
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Bill introduced to reform sales of scarce medicineBusinessWeekOther reasons include increased demand for some drugs, companies ending production of low-profit medicines, consolidation in the generic drug industry and limited supplies of some ingredients. A press release from Cummings, who is the ranking Democrat ...and more » |
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