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What Are Intacs Corneal Implants?

Intacs corneal implants are small, curved plastic inserts surgically placed into the cornea to reshape it and improve vision. They are most commonly used to treat keratoconus, a progressive eye condition in which the cornea thins and bulges into a cone-like shape, causing distorted and blurred vision. Intacs implants help flatten the cornea and restore a more natural shape, which enhances the focusing power of the eye and can significantly reduce visual distortion.

Why Are Intacs Implants Used in Keratoconus Treatment?

Keratoconus can severely affect a person's ability to see clearly with glasses or soft contact lenses. As the disease progresses, rigid contact lenses may become the only option, or vision may worsen to the point where a corneal transplant is considered. Intacs offer an alternative by stabilizing the cornea, improving its contour, and delaying or even avoiding the need for a transplant. They are particularly effective in mild to moderate cases where other treatments no longer provide adequate vision correction.

How Are Intacs Implants Inserted?

The procedure to insert Intacs implants is minimally invasive and usually performed on an outpatient basis. It begins with the administration of local anesthesia in the form of eye drops to numb the area. Using a precision instrument, the surgeon creates a small channel in the corneal tissue, typically using a femtosecond laser or a mechanical device. Once the channels are prepared, the crescent-shaped Intacs implants are gently inserted into place. The implants remain inside the cornea permanently, but they can be removed or replaced if necessary.

What Is the Recovery Process Like After Intacs Surgery?

Recovery after Intacs implantation is generally quick, with most patients resuming normal activities within a few days. Mild discomfort, glare, or light sensitivity may occur initially, but these symptoms usually subside as the eye heals. Antibiotic and anti-inflammatory eye drops are prescribed to prevent infection and reduce swelling. Vision improvement may be noticeable within a few weeks, though full results may take up to three months. Regular follow-up visits are important to monitor healing and assess visual outcomes.

Are Intacs Implants a Permanent Solution?

While Intacs implants are designed to be permanent, they can be removed or adjusted if needed. In some cases, patients may require additional treatments, such as corneal cross-linking or continued use of corrective lenses, to maintain stable vision. Although Intacs can significantly improve visual acuity and corneal shape, they do not cure keratoconus. Their main benefit lies in halting the progression of the condition and improving quality of life.