For many years, polymethyl methacrylate (PMMA) was the material used for hard contact lenses. This made wearing lenses uncomfortable since it did not allow air passage. It required the user to blink frequently for lubrication and aeration of the eyes.
Fortunately, gas permeable contact lenses have since been developed. The Myopia Institute offers a wide selection of this type of contact lenses in Washington, DC.
Definition and Indications
Also known as rigid gas permeable (RGP) lenses, these are made of firm and durable plastic. They also incorporate silicon, making them more flexible than PMMA lenses. Most importantly, they permit oxygen to pass through.
After a comprehensive eye examination, our eye specialists may suggest these as part of your vision correction in Washington, DC. They help those who have astigmatism and myopia. Post-refractive surgeries may also require these lenses.
The Benefits of Using GP Lenses
This type of contact lenses has brought comfort and convenience to its users. These are the advantages of using RGP lenses:
They allow your eyes to breathe by letting oxygen pass through. Studies have shown that decreased oxygenation of the eye leads to corneal problems.
They are tailored according to your cornea’s shape. Their customization allows wider range of vision problem correction.
- Vision Optimization
Their firm material provides superior vision quality. This leads to their shape retention even when you blink. Hence, you do not have to refocus or readjust your lenses every now and then. Water is also not required to maintain their shape.
- Deposit Resistance
Their smooth surface and lack of water retention leads to fewer deposit build-ups.
The durability of the material results in a reduced need for replacements and maintenance requirements. With proper care, a single pair can last for several years.
These contact lenses last for several years, with proper care and maintenance. That said, our eye specialists advise undergoing a regular eye exam in Washington, DC, to ensure optimum functionality.
If you have any vision concerns, our doctors would be glad to assist you. Call us at (855) 867-8465 to schedule an appointment or fill out our contact form.