Benefits and Disadvantages of Hard and Soft lenses

Color Contact Lenses Canada

Hard lenses

Hard Contact LensHard lenses, also referred to as RGP lenses, are relatively small lenses. As the name implies, these lenses are made of a hard material. In the Netherlands, these lenses contribute to about 40% of to all the contact lens wearers, where as in America it constitutes to only 10%. Previously, hard lenses were made of PMMA and this material did not allow oxygen to permeate and as you can imagine it was not good for the eye lenses. However, nowadays hard lenses are made of a material that does allow for oxygen to pass which is better for the eyes.

Benefits

  • Hard lenses are more expensive than soft lenses, but on the other-hand, they last almost 3 years. Since the hard lenses last longer than soft lenses, they are certainly cheaper in the long run. Soft lenses are cheaper and more affordable to buy but if you consider…

View original post 464 more words

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s