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Abstract
Purpose
We present a case of a patient who underwent corneal refractive surgery to improve their corrected visual acuity due to a complication of hyperopic laser-assisted in-situ keratomileusis (LASIK).
Case summary
The patient complained of decreased vision after hyperopic LASIK surgery 12 years prior. The corrected dis-tance visual acuity (CDVA) was 20/200 in the right eye and 20/32 in the left, with manifested refractions of +1.25 +2.00 × 90 and -0.25 +2.00 × 80, respectively. The patient had a with-the-rule astigmatism. The values of corneal and total spherical aberration, which can be determined as coefficients of the Zernike polynomials, were respectively -1.027 μ m and -0.773 μ m in the right eye and -0.965 μ m and -0.881 μ m in the left eye. Slit lamp biomicroscopy revealed no remarkable findings. We performed surface ablation surgery to flatten the central cornea of the patient’s right eye. At 12 months after surgery, the CDVA of the patient’s right eye was 20/30 and the negative corneal spherical aberration was reduced.
References
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