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AC Gas Bubbles after Intralase Flap Creation
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Author:  Broken Eyes [ Sun Jan 22, 2006 1:46 am ]
Post subject:  AC Gas Bubbles after Intralase Flap Creation

J Cataract Refract Surg. 2005 Nov;31(11):2227-9.


Anterior chamber gas bubbles after corneal flap creation with a femtosecond laser.

Lifshitz T, Levy J, Klemperer I, Levinger S.

From the Department of Ophthalmology (Lifshitz, Levy, Klemperer), Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel, and "Enaim" Ophthalmological Center (Lifshitz, Klemperer, Levinger), Jerusalem, Israel.

A 48-year-old woman had bilateral wavefront-guided laser in situ keratomileusis for myopia with IntraLase corneal flap creation. In the right eye the cavitation bubbles were observed not only in the interface between the flap and the corneal bed but also in the anterior chamber disappearing after 30 minutes. After the procedure, uncorrected visual acuity is 20/25 in both eyes; and specular microscopy shows normal hexagonal cells and density. Although no postoperative complications were observed in our case, further follow-up is needed to examine the long-term effect of this phenomenon of IntraLase.

Author:  Broken Eyes [ Thu Nov 08, 2007 1:31 pm ]
Post subject: 

J Refract Surg. 2007 Oct;23(8):828-30.

Anterior chamber gas bubble formation during femtosecond laser flap creation for LASIK.

Srinivasan S, Rootman DS.
Department of Ophthalmology, Toronto Western Hospital, University of Toronto, Ontario, Toronto, Canada. sathish@tiscali.co.uk

PURPOSE: To report anterior chamber gas bubble formation during corneal flap creation in a myopic patient who underwent LASIK using a femtosecond laser (IntraLase).

METHODS: A 30-year-old man underwent customized wavefront-guided LASIK for myopia. The IntraLase FS15 was used to create the corneal flap.

RESULTS: During flap creation, gas bubble formation was noted in the anterior chamber, in addition to cavitation bubbles under the flap. Flap creation was successful and myopic ablation was uneventful. One day postoperatively, the flap was well apposed, and no air bubbles were present in the anterior chamber.

CONCLUSIONS: Gas bubbles in the anterior chamber can be an infrequent occurrence during the use of femtosecond laser for corneal flap creation. Although gas bubbles do not hinder flap creation, their presence may interfere with eye-tracking mechanisms.

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