What You Should Know Before You Get Contact Lenses
By Martin Smith
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.
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.
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
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.