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J Cataract Refract Surg. 2017 Jan;43(1):136-138. doi: 10.1016/j.jcrs.2016.11.039.

Small-incision lenticule extraction in a patient with congenital nystagmus.

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From the Onnuri Smile Eye Clinic, Seoul, South Korea.
From the Onnuri Smile Eye Clinic, Seoul, South Korea. Electronic address:


We report a case of a 23-year-old woman with congenital nystagmus who had small-incision lenticule extraction (SMILE) procedure to correct refractive errors. The manifest refraction was -5.50 -1.75 × 180 in the right eye, -5.0 -2.50 × 180 in the left eye, and the patient presented with horizontal pendular nystagmus with an amplitude range of 5 to 10 degrees. Uneventful simultaneous bilateral small-incision lenticule extraction was performed. Six months postoperatively, the uncorrected distance visual acuity was 20/18 with -0.25, -0.25 × 80 in the right eye, and 20/20 with +0.25 -0.5 × 50 in the left eye. The case suggests that small-incision lenticule extraction can be an effective alternative for correcting myopic astigmatism in patients with nystagmus.


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