Contact Lenses for Keratoconus
In the early stages of keratoconus, eyeglasses or soft contact lenses may provide adequate vision correction. However, as the cone-like shape of the cornea worsens, standard lenses often become ineffective. Many patients benefit from:
- Rigid gas permeable contact lenses (RGPs) – These gas permeable contact lenses create a smooth refractive surface over the cornea, improving clarity.
- Hybrid lenses – A combination of rigid gas and soft lenses, designed for comfort and stability.
- Scleral contact lenses – Larger lenses that vault over the cornea, providing sharper vision while protecting the eye’s surface.
Corneal Cross-Linking (CXL) for Keratoconus
Corneal collagen cross-linking (CXL) is a minimally invasive procedure designed to strengthen the cornea and prevent further bulging. By applying riboflavin (vitamin B2) eye drops followed by controlled ultraviolet (UV) light exposure, CXL increases the bonds between collagen fibers within the corneal tissue, stabilizing the structure and reducing the risk of worsening vision. The FDA-approved treatment has been instrumental in delaying or preventing the need for a corneal transplant in many patients. CXL does not reverse keratoconus, but it can significantly slow the progression of the disease and help preserve visual acuity.
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Intacs® Corneal Implants
For some patients with keratoconus, Intacs may be a helpful option to improve vision and corneal shape. These small, curved inserts are placed just beneath the surface of the cornea in a quick, office-based procedure. Intacs work by gently flattening the cornea, which can reduce irregularity and improve how light enters the eye. While not a cure, they can be an effective part of a broader treatment plan—especially for patients who are no longer getting adequate vision correction from glasses or contacts.
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Corneal Transplant for Advanced Keratoconus
In severe cases where corneal scarring or extreme thinning compromises vision, a corneal transplant may be necessary. This procedure replaces the damaged cornea with healthy donor tissue. While typically successful, a transplant is considered a last resort when other keratoconus treatment options no longer provide sufficient vision correction.
Early intervention with eye exams and specialized eye care can help prevent progression and maintain eye health.