Corneal tissue addition appears to improve visual acuity and topography in patients with severe keratoconus, according to a speaker at the virtual American Academy of Ophthalmology annual meeting.
“These are early results of this procedure, but they are encouraging,” Steven A. Greenstein, MD, said.
The procedure, corneal tissue addition for keratoconus (CTAK), uses sterile, preserved, shelf-stable corneal tissue (halo, Lions VisionGift) that is shaped into a crescent with a femtosecond laser (iFS, Johnson & Johnson Vision) and then placed in a channel created by the femtosecond
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