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Corneal Ectasia Secondary to LASIK After Arcuate Keratotomy
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PURPOSE:
To present a case of corneal ectasia after LASIK in a patient with previous arcuate keratotomy.
METHODS:
Case report.
RESULTS:
The patient underwent arcuate keratotomy in both eyes in 1997 for with-the-rule regular hyperopic astigmatism and uneventful bilateral LASIK for residual astigmatism 5 years later. Visual acuity and refraction remained stable for 5 years, when the patient noticed worsening visual acuity. Corneal topography showed progressive inferior steepening, confirming the diagnosis of ectasia. Corneal high-resolution optical coherence tomography revealed a normal LASIK flap. The patient had no risk factors for corneal ectasia other than previous incisional surgery.
CONCLUSIONS:
This case suggests that isolated arcuate keratotomy can be a significant risk factor for the development of corneal ectasia after LASIK.
[
J Refract Surg.
2013;29(6):426–429.]
Title: Corneal Ectasia Secondary to LASIK After Arcuate Keratotomy
Description:
PURPOSE:
To present a case of corneal ectasia after LASIK in a patient with previous arcuate keratotomy.
METHODS:
Case report.
RESULTS:
The patient underwent arcuate keratotomy in both eyes in 1997 for with-the-rule regular hyperopic astigmatism and uneventful bilateral LASIK for residual astigmatism 5 years later.
Visual acuity and refraction remained stable for 5 years, when the patient noticed worsening visual acuity.
Corneal topography showed progressive inferior steepening, confirming the diagnosis of ectasia.
Corneal high-resolution optical coherence tomography revealed a normal LASIK flap.
The patient had no risk factors for corneal ectasia other than previous incisional surgery.
CONCLUSIONS:
This case suggests that isolated arcuate keratotomy can be a significant risk factor for the development of corneal ectasia after LASIK.
[
J Refract Surg.
2013;29(6):426–429.
].
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