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Changes in accommodative function following small-incision lenticule extraction for high myopia.

Anders Gyldenkerne1, Nicolaj Aagaard1, Malene Jakobsen1

  • 1Department of Ophthalmology, Aarhus University Hospital, Aarhus, Denmark.

Plos One
|December 30, 2020
PubMed
Summary
This summary is machine-generated.

Small-incision lenticule extraction (SMILE) surgery does not impact visual accommodation in highly myopic patients. Post-SMILE, accommodative amplitude, response, and facility remain stable, unaffected by higher-order aberrations.

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Area of Science:

  • Ophthalmology
  • Refractive Surgery
  • Corneal Aberrations

Background:

  • High myopia presents challenges for visual function.
  • Small-incision lenticule extraction (SMILE) is a refractive surgery technique.
  • Understanding the impact of SMILE on accommodative function is crucial for patient outcomes.

Purpose of the Study:

  • To evaluate the effect of SMILE on the amplitude of accommodation, accommodative response, and accommodative facility in high myopes.
  • To investigate the correlation between changes in higher-order aberrations and accommodative function after SMILE.

Main Methods:

  • 35 eyes of highly myopic patients (≥6 D) underwent SMILE.
  • Accommodative amplitude, response, and facility were measured pre- and post-surgery (3 months).
  • Standardized methods including Donders push-up and open-field autorefraction were employed.

Main Results:

  • No statistically significant changes were observed in the amplitude of accommodation (P = 0.17).
  • Accommodative responses at various dioptric stimuli remained unchanged (P = .36).
  • Accommodative facility also showed no significant alteration post-SMILE (P = 0.21).

Conclusions:

  • SMILE surgery does not negatively affect accommodative amplitude, response, or facility in high myopes.
  • Surgically induced higher-order aberrations after SMILE do not clinically impact accommodative function.
  • SMILE is a safe option for preserving accommodative function in high myopia.