Cornea Treatment

The cornea is the outermost layer of the eye. The cornea is also the clear part of the eye that covers the iris, pupil and anterior chamber. Just like a clear window, the cornea is critical in maintaining a sharp focus on objects, playing a role in overall focusing power. The inside layer of cornea, the endothelium, has a finite number of cells that maintain clarity and do not regenerate.

The cornea procedures performed at Mann Eye Institute are:

  • Corneal Crosslinking
  • Descemet’s Stripping Automated Endothelial Keratoplasty (DSAEK)
  • Penetrating Keratoplasty (PK, PKP)
  • Lamellar/Tectonic Keratoplasty
  • Deep Anterior Lamellar Keratoplasty (DALK)
  • Endothelial Failure
  • Descemet’s Membrane Endothelial Keratoplasty (DMEK)
  • Conjunctivoplasty
  • Corneal Inlays
Raindrop Corneal Inlay


The KAMRA inlay treatment is an eye procedure that improves near vision and can free patients from the constant frustrations of reading glasses. The KAMRA inlay sits in the clear tissue at the front of the eye, known as the cornea.

If you are over the age of 40, you’ve probably noticed your vision has changed. Maybe you are having difficulty reading or trouble focusing on nearby objects. This condition is called age-related presbyopia, also known as “over-40 vision.” The good news: The doctors at Mann Eye Institute & Laser Center can help.

The Corneal Inlay (sometimes called a corneal implant) is a tiny, ring-shaped disc that is placed securely within the cornea of one eye, allowing the eye to have greater depth of focus and greatly improving reading vision, while maintaining distance vision. Smaller and thinner than the average contact lens, the Corneal Inlay is just 3.8 mm in diameter and has a 1.6 mm opening in the center (pinhole). Surrounding the pinhole are 8,400 tiny openings that allow oxygen and other nutrients to flow naturally through the eye.

The Raindrop Inlay

The Raindrop Inlay procedure is designed to end the struggle of constantly taking glasses on and off!

Raindrop® is a small, transparent disk called an inlay. It’s made of approximately 80% water and from similar material to a soft contact lens.

The Raindrop Inlay is a tiny, contact lens shaped corneal inlay designed to correct presbyopia. The inlay is about the size of a pinhead, and is thinner than a piece of paper. The Raindrop inlay is placed just underneath the surface of the eye, and aids in reshaping the cornea. This device is only placed in one eye, allowing both eyes to work together, resulting in both sharp near vision and clear distance vision.

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