Modified big-bubble for deep anterior lamellar keratoplasty.

Abstract

A new technique of air injection is described for big-bubble deep anterior lamellar keratoplasty (DALK) in eyes with keratoconus, along with a comparative analysis of the original technique. Fifty eyes were analyzed in each group. The mean steep keratometry and anterior chamber depth distribution were comparable between the 2 groups. The mean size of type 1 bubble achieved with single air injection (Group 1) was 7.8 ± 0.4 mm (range 6.5 to 8.5 mm), and with sequential air injection (Group 2) was 8.5 ± 0.3 (range 8 to 9 mm) (P < .001). Intraoperative complications of spontaneous bursting of bubble in 1 eye (2%) and peripheral microperforation in 3 eyes (6%) occurred only in Group 1. The modified technique of big-bubble DALK using sequential air injection aided by paracentesis to lower intraocular pressure allowed enlargement of a type 1 bubble in a safe and controlled manner with minimal risk for complications.

• Authors: Rajesh Fogla, T R Indumathy, Luigi Fontana
• Journal: Journal of cataract and refractive surgery (J Cataract Refract Surg) Vol. 47 Issue 11 Pg. e6-e9 (Nov 01 2021) ISSN: 1873-4502 [Electronic] United States
• PMID: 33149044 (Publication Type: Journal Article)
• Copyright: Copyright © 2021 Published by Wolters Kluwer on behalf of ASCRS and ESCRS.

Topics

• Cornea
• Corneal Stroma (surgery)
• Corneal Transplantation
• Humans
• Keratoconus (surgery)
• Visual Acuity