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What Is Keratoconus and What Are Contact Lens Options?

Keratoconus is a condition where the cornea (the clear, front portion of your eye) starts to weaken and bulge forward. It generally occurs in both eyes but can be much worse in one eye than the other. Although in some cases there is a genetic link, meaning that if your family members have keratoconus, you may be more likely to have the condition, it has also been linked to things such as eye rubbing, and atopic (allergy-like) conditions.

Most people with keratoconus cannot see as well with glasses as they can with specialty contact lenses. The lenses that we discuss for patients with keratoconus are soft contact lenses (a special thick kind of soft lens), rigid gas permeable (RGP) contact lenses, hybrid contact lenses, and scleral lenses.

Each keratoconus patient is different so at the specialty contact lens consultation, we will talk about ALL options. The clearest vision for keratoconus patients generally comes from a rigid or "hard" lens such as an RGP, hybrid, or scleral lens, instead of a soft lens. This is because the tear film sits between the hard lens and the cornea and "fills in" a lot of corneal irregularities, creating a new smoother surface where light can go straight to the retina, resulting in clearer vision.

Keratoconus patients are very unique and each eye is different and has different needs to achieve the clearest vision possible.

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