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0:00 Introduction
0:30 recurrence of keratoconus in host
0:50 preoperative OCT
0:55 dissection
1:55 protection of peripheral cornea
2:20 suturing of graft
2:30 postoperative image
2:40 postoperative OCT
2:47 suture removal
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In patients with keratoconus who have had a previous penetrating keratoplasty (corneal graft), the graft-host junction can continue to thin. Some patients can benefit from a peripheral DALK (deep anterior lamellar keratoplasty) to reinforce the graft-host junction.
This video shows a crescentic peripheral DALK to treat recurrent keratoconus