June 2013
Volume 54, Issue 15
ARVO Annual Meeting Abstract  |   June 2013
Monocular refractive surgery in patients with anisometropia
Author Affiliations & Notes
  • Alejandro Tamez
    Tecnologico de Monterrey, Monterrey, Mexico
  • Julio Hernandez-Camarena
    Tecnologico de Monterrey, Monterrey, Mexico
  • Juan Lozano-Ramirez
    Tecnologico de Monterrey, Monterrey, Mexico
  • Guillermo Mendoza
    Tecnologico de Monterrey, Monterrey, Mexico
  • Alejandro Rodriguez Garcia
    Tecnologico de Monterrey, Monterrey, Mexico
  • Jorge Valdez
    Tecnologico de Monterrey, Monterrey, Mexico
  • Footnotes
    Commercial Relationships Alejandro Tamez, None; Julio Hernandez-Camarena, None; Juan Lozano-Ramirez, None; Guillermo Mendoza, None; Alejandro Rodriguez Garcia, None; Jorge Valdez, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science June 2013, Vol.54, 3140. doi:
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      Alejandro Tamez, Julio Hernandez-Camarena, Juan Lozano-Ramirez, Guillermo Mendoza, Alejandro Rodriguez Garcia, Jorge Valdez, Ophthalmology Research Chair; Monocular refractive surgery in patients with anisometropia. Invest. Ophthalmol. Vis. Sci. 2013;54(15):3140.

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      © ARVO (1962-2015); The Authors (2016-present)

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Purpose: To investigate the efficacy and safety of LASIK for the correction of anisometropia in adult patients.

Methods: A retrospective, case series. From a random sample of 1190 patients from the cornea and refractive service we found 14 adult patients that underwent monocular LASIK/PRK for anisometropia. We evaluated the preoperative and postoperative refractive error, spherical equivalent (SE), uncorrected visual acuity (UCVA) and best corrected visual acuity (BCVA). Snellen visual acuity measurements were converted to LogMAR for statistical purposes.

Results: The mean age was 33.2(±12.2) years. The average preoperative SE in the treated eyes was -1.96(±3.69), the average SE of the untreated eye was 0.25(±0.30). Preoperative UCVA was 0.99(±0.34) and average preoperative BCVA was 0.26(±0.15). 13 patients had LASIK and only one patient had PRK with an average follow-up time of 15.8(rank 1-74) months. The average postoperative SE decreased to -0.24(±0.33)(p=0.11). Four patients (28.6%) gained 1 line of vision, 1 (7.14%) patient gained 2 lines of vision, 1 patient lost 1 line of vision (PRK patient), the rest remained unchanged compared to preoperative BCVA. There was a significant difference between UCVA pre [0.99(±0.34)] and postoperative [0.24(±0.13)](p <0.001). There was no significant difference between postoperative UCVA with preoperative BCVA (p = 0.16). There were no complications related to surgical procedures.

Conclusions: Monocular refractive surgery in adult patients with anisometropia is a safe and effective therapeutic option that offers a satisfactory visual outcome, preserving or improving the preoperative BCVA.

Keywords: 683 refractive surgery: LASIK  

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