Contact Lens Types and What to Be Aware Of
- The Doctor Recommended
- Nov 12, 2023
- 3 min read
Introduction
Contact lenses are a popular alternative to eyeglasses for correcting vision. They come in various types, including soft, rigid gas permeable (RGP), and scleral lenses, each suited to different vision needs and eye conditions. This essay explores these types and discusses the risks associated with using cosmetic contact lenses without proper medical guidance.
Types of Contact Lenses
1. Soft Contact Lenses: Soft lenses are made from gel-like, water-containing plastics called hydrogels. These lenses are thin, pliable, and conform to the front surface of the eye, making them comfortable and easy to adapt to. They are suitable for correcting a variety of vision problems, including myopia (nearsightedness), hyperopia (farsightedness), astigmatism, and presbyopia. Soft lenses are available in daily disposable, weekly, and monthly disposable variants.
2. Rigid Gas Permeable (RGP) Lenses: RGP lenses are more durable than soft lenses and resist deposit buildup. Made from a firm, oxygen-permeable material, they offer clear, crisp vision and can correct most astigmatism. RGP lenses are less likely to harbor bacteria than soft lenses, reducing the risk of eye infections. They are more suitable for patients with certain corneal conditions, such as keratoconus.
3. Scleral Lenses: Scleral lenses are large-diameter RGP lenses that vault over the entire corneal surface and rest on the white part of the eye (sclera). They are beneficial for patients with irregular corneas, severe dry eyes, or those who require a larger lens to improve vision or comfort. Scleral lenses provide stable vision and are often more comfortable for sensitive eyes. These are also recommended for patients with keratoconus, a degenerative corneal condition.
Risks of Cosmetic Contact Lenses
Cosmetic contact lenses, also known as decorative or costume lenses, are used to change the appearance of the eyes. They are popular for special occasions, like Halloween. However, using these lenses without proper fitting and prescription can pose significant risks. Non-prescription cosmetic lenses may not fit properly, leading to eye pain, bacterial infections, corneal scratches, and in severe cases, vision loss. It is crucial to consult an eye care professional before using any contact lenses, including cosmetic ones, to ensure they are safe and suitable for your eyes.
Conclusion
Contact lenses offer a convenient and effective solution for vision correction and aesthetic purposes. Understanding the different types of lenses—soft, RGP, and scleral—is essential for making informed choices about eye care. While cosmetic contact lenses can be fun, they must be used with caution and under the guidance of an eye care professional to prevent serious eye health complications.
References
1. American Academy of Ophthalmology. (2023). “Types of Contact Lenses.”
2. American Optometric Association. (2023). “Contact Lens Types.”
3. Centers for Disease Control and Prevention. (2023). “Contact Lenses: Fast Facts.”
4. U.S. Food and Drug Administration. (2023). “Decorative Contact Lenses: Is Your Vision Worth It?”
This article provides a comprehensive overview of the different types of contact lenses and highlights the importance of professional guidance when using cosmetic lenses. The cited sources are reputable and offer detailed information on the subject.
Remember, this is general over view of Contact Lens Types and it's essential to consult a healthcare professional for accurate information and personalized care regarding any medical condition.
Resources for patients:
American Academy of Ophthalmology Patient Eduction:
See What Products Your Doctor Or Doctor's Practice Recommend
Contact Lens Equipment
Soft Contact Lens Cleanser
Scleral Contact Lens Cleanser
Scleral Lens Filling Solution
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