Posts Tagged ‘invention’
Steps for cleaning and disinfecting a contact lens
July 29th, 2010
The invention of contact lens is one of the best inventions in human history. Contact lens was discovered in 1887, but it was not used at that time. At that time, contact lens were made of thick glass, as a result it was very difficult for the people to use it. Later, with advancement of technologies, contact lens became wearable. Nowadays, people prefer contact lens more than spectacles. Carrying a spectacle on their ears all day long is often a problem for hard working people and also for the young kids. For this kind of reason, people tend to use contact lens more than spectacles.
However, there are some problems about the contact lenses. Most importantly, it has to be cleaned regularly. Most people do not take much care of their lenses and are ignorant about it. There are several different options for cleaning and disinfecting a contact lens, depending on the type of lens a person is wearing. Not cleaning a contact lens regularly can cause discomfort and reduce vision and even contamination. However, contact lens cannot be cleaned like the glass spectacles; it should be cleaned very carefully. There are also certain limitations for cleaning a lens.
Posted in Eyecare | 
Tags: best inventions, contact, contact lens, contact lenses, disinfect, disinfectant, human eye, human history, invention, micro organisms, person, reason, result, spectacle, thick glass, type, way, young kids | No Comments »
A great invention of contact lens in human history
July 21st, 2010
The framed eyeglasses are a great help to those people with vision problems. Some would think wearing eyeglasses a fashion, while some would consider the inconveniences of eyeglasses wearing.
People in the old days may never think the technology of a kind of vision products which can correct the vision problems, and at the same time invisible. That is the contact lens, first introduced in 1950’s, being considered the beginning of visual freedom for America and the world! The first use of the cosmetic version of soft lenses and daily disposable contacts, approved by FDA, is regarded as the turning point of the contact lenses which significantly change the vision market.
We are also sure the contact lens will completely change the lifestyle of today’s people. People are crazy about the contact lens especially for those who do not enjoy wearing eyeglasses. They used to think a mandatory element to wear eyeglasses daily due to their bad eye condition, while now their eyes can enjoy the freedom of no eyeglasses. Thanks to the disposable lens products, a great invention in human history!