Corneal Inlays are tiny lenses (or alternate optical devices) inserted into the cornea in order to improve reading vision; they may resemble tiny contact lenses. Their main purpose is to improve near vision and reduce the need for reading glasses.
Corneal Inlays are placed relatively deep within the cornea, in the thicker middle layer called the stroma. Because of this, they tend to be more stable, predictable, and long-lasting than corneal onlays (similar devices placed near the surface of the eye), leading to inlays being preferred by doctors and patients.
Corneal inlay surgery may be combined with LASIK surgery to correct presbyopia and nearsightedness, farsightedness, and/or astigmatism.
Inlay surgery is less invasive and carries fewer risks than pakic IOL procedures, which involve implanting lenses further back inside the eye (around the pupil). It may also be a viable alternative for LASIK or PRK for people with thin corneas.
Kamra Corneal Inlay
The Kamra Inlay is designed for people over the age of 40 with good distance vision without glasses, but have problems seeing up close due to presbyopia.
The Kamra device is only 3.8 millimeters in diameter and 6 microns thick (half as thick as plastic food wrap).
It consists of an opaque outer ring and a central opening to be placed over the pupil, creating a pinhole camera effect that extends the natural range of vision and makes near objects appear clearer without affecting distance vision.
The device is placed in the non-dominant eye, so the dominant eye is completely unaffected; it takes less than 15 minutes and can be performed in the eye surgeon’s office.