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Rigid Gas Permeable (RGP) Lenses

 

You may have heard of Rigid Gap Permeable contact lenses from your grandmother, which might make you think they are old technology, long forgotten in a dusty box of antique artifacts. This couldn't be further from the truth; RGP lenses are making a major comeback.
 
Some contact lens wearers require a custom-designed contact lens that fits exactly to the curvature of their cornea. In these cases, we work with a lab to create a Rigid Gas Permeable lens to attain the best vision possible. If this type of lens best fits your needs, we will need to take several measurements in order to provide all the necessary information for the lenses to be designed. This process can take several days, but in the end, you have lenses that fit like a glove! 

For information on RGP lenses, visit CustomCraftLens.com

 

Scleral Contact Lenses

 [Information from sclearllens.org]

Scleral lenses are large-diameter rigid gas permeable lenses. They can range from 14 mm to over 20 mm in diameter. They are called “scleral” lenses because they completely cover the cornea (the clear dome of tissue that covers the colored part of the eye) and extend onto the sclera (the white part of the eye that forms the outer wall of the eye).
 

In some patients, corneal tissue is damaged. Scleral lenses trap a reservoir of fluid behind the lens. This fluid protects the cornea, and may even allow it to heal in some cases. Corneal lenses can become decentered, and may even become dislodged. Since scleral and corneoscleral lenses extend under the upper and lower lids, they rarely dislocate.
 

Patients with irregular corneas, patients with conditions that affect the tear film, and patients with refractive error (nearsightedness, farsightedness, or astigmatism) who are unable to wear other forms of correction could benefit from scleral lenses.

Visit sclerallens.org or call our office for more information.