The Differences Between Hard and Soft Contact Lenses

8. June 2008, 0:38 Uhr

There are two main categories of contact lenses: hard and soft lenses. They each have different benefits and down sides. In this article we will compare hard and soft lenses to help you understand the difference between them.

The two categories of contact lenses

Hard lenses are made out of silicone polymers which facilitate the flow of oxygen to your eyes. This material is rigid which enhances the durability of hard lenses. It also means that they are likely to keep their shape.

Soft contact lenses are made of a plastic polymer that can combine with water. The water in soft lenses enables oxygen to pass through the lens to the eye. This increases comfort for the wearer.

There are two kind of soft lenses; daily disposable soft contact lenses and extended wear contact lenses.

Both hard and soft contact lenses sit on the eyes tear layer and are designed to correct vision problems.

Advantages of Hard Contact Lenses

  • Hard contact lenses do not dry your eyes out as much as soft ones because they allow more oxygen to reach your eye.
  • Hard contact lenses are very durable. They can last between 5 and 10 years.
  • Hard contact lenses an correct most vision problems

    • Disadvantages of Hard Contact Lenses

    • Hard contact lenses can take some time getting used to as they can be slightly uncomfortable at first
    • Hard contact lenses can be more difficult to put in and take out than soft lenses

      • Advantages of Soft Contact Lenses

      • Soft contact lenses are comfortable from the first time you use them which means that it is easy to get used to wearing them.
      • Soft lenses are easy to fit
      • Soft lenses are usually cheaper than hard lenses
      • Soft lenses can be a problem for people who have naturally dry eyes

      Disadvantages of Soft Contact Lenses

      • Soft contact lenses are less durable than hard lenses
      • Soft contact lenses cannot correct all eyesight problems
      • Soft contact lenses do not last as long as hard lenses

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