Contact lenses can be divided into many types according to different usage purposes and user needs. Here are the commonly used types of contact lenses:
1. Soft Contact Lenses:
The most commonly used type of lens.
It has a high water content and is made from a flexible material.
There are varieties for daily use, weekly use, monthly use, and extended wear (can be worn overnight).
Colored soft lenses can be preferred for cosmetic purposes.
2. Rigid Gas Permeable (RGP) Contact Lenses:
Made from a harder material that allows oxygen to pass through to the eye.
They are long-lasting and durable.
Require more regular maintenance.
Can be used to correct special vision problems like astigmatism.
3. Toric Contact Lenses:
Designed for the correction of astigmatism.
Can usually be found as either RGP or soft lenses.
4. Multifocal or Bifocal Contact Lenses:
Used to correct presbyopia (age-related farsightedness).
Both near and far vision are corrected.
5. Colored or Cosmetic Contact Lenses:
Used to change the natural eye color or achieve a special look.
These lenses can be used to correct any vision defect as well as for purely cosmetic reasons.
6. Daily Disposable Contact Lenses:
Lenses that are used and disposed of daily.
Do not require lens care.
Practical and hygienic.
7. Weekly and Monthly Disposable Contact Lenses:
Used for a specific period of time and then replaced.
Require regular maintenance and cleaning.
8. Extended Wear (Overnight) Contact Lenses:
Can be worn during the day and overnight.
Should be used upon the recommendation and prescription of an eye doctor.
Each type of contact lens has its specific advantages and disadvantages. The choice of lens should be made based on the person’s eye structure, lifestyle, and vision needs. Your eye doctor can guide you in choosing the most suitable type of lens. Additionally, regular eye exams will help ensure your use of lenses continues in a healthy manner.