Gas Permeable Lenses Fittings
Gas Permeable Lenses for You
Gas permeable (GP) lenses, also known as rigid gas permeable (RGP) lenses, offer a durable and high-oxygen-permeable alternative to soft contact lenses. These lenses maintain their shape while allowing oxygen to pass through to the cornea, making them an excellent choice for those seeking sharp, long-lasting vision correction. In this guide, we’ll explore the benefits, uses, and fitting process of gas permeable lenses to help you decide if they’re right for you.
Why Choose Gas Permeable Lenses?
Superior Visual Clarity
GP lenses provide clearer, crisper vision compared to soft lenses due to their rigid structure. This is especially beneficial for individuals with astigmatism or irregular corneas, as the lenses maintain their shape and offer more precise vision correction.
High Oxygen Permeability
One of the key features of GP lenses is their ability to allow oxygen to reach the cornea, promoting better eye health and comfort over extended wear times. This is especially important for preventing dry eyes and discomfort, a common issue with soft lenses.
Durability and Longevity
Unlike soft lenses, which need frequent replacement, gas permeable lenses are highly durable and resistant to deposits. With proper care, a single pair can last a year or longer, making them a more cost-effective option in the long term.
Who Benefits from Gas Permeable Lenses?
Gas permeable lenses are ideal for individuals with:
Astigmatism: Their rigid shape helps correct astigmatism more effectively than soft lenses.
Keratoconus or Irregular Corneas: GP lenses provide better visual outcomes for patients with corneal irregularities.
Dry Eyes: Due to their breathability and moisture retention, GP lenses may offer greater comfort for those who suffer from dry eyes.
Presbyopia: Multifocal GP lenses provide clear vision at multiple distances, making them a great option for individuals with presbyopia who need both near and far vision correction.
Fitting and Adaptation
The fitting process for gas permeable lenses is more personalized compared to soft lenses. Since GP lenses are customized to fit the shape of your eye, an eye care professional will take precise measurements of your corneas and determine the best lens design for your needs. It may take a bit longer to adjust to the feel of GP lenses, as they initially feel firmer on the eye. However, most wearers adapt within a few weeks and find them comfortable for daily use.
Care and Maintenance
Proper care is essential for the longevity of your gas permeable lenses. Here are a few tips:
Daily Cleaning: Use a special GP lens solution to clean and disinfect your lenses each day.
Storage: Always store your lenses in a clean case filled with the recommended solution when not in use.
Regular Checkups: Schedule routine visits with your eye care provider to ensure the lenses continue to fit properly and your eyes remain healthy.