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  • Corneal aberration integrity after microincision cataract surgery: prerequisite condition for prediction of total ocular aberrations

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Corneal aberration integrity after microincision cataract surgery: prerequisite condition for prediction of total ocular aberrations
  1. Yannick Nochez1,
  2. Samuel Majzoub1,
  3. Pierre-Jean Pisella1,2
  1. 1Department of Ophthalmology, University Hospital of Tours, Tours, France
  2. 2University Francois Rabelais, 2 boulevard Tonnellé, Tours, France
  1. Correspondence to Dr Yannick Nochez, Department of Ophthalmology, University Hospital of Tours, 2 boulevard Tonnellé, F-37000 Tours, France; yannick.nochez{at}free.fr

https://doi.org/10.1136/bjo.2009.165498

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    Microincision cataract surgery (MICS) has been shown to induce less astigmatism.1 We compared the changes in corneal shape in each patient with an intraindividual comparison of each Zernike corneal aberrations and studied the correlation between pre- and postoperative aberrometric measurements, hoping to evaluate corneal integrity after MICS.

    Methods

    This prospective clinical study included 29 consecutive eyes with 1.8 mm MICS (same surgeon, PJP). Exclusion criteria were a previous ocular surgery, central endothelial cell count less than 1800 cells/mm2, ocular surface pathology, glaucoma or topical treatment. Two limbal incisions of 1.8 mm (at the 10.30 o'clock position) and 1 mm (at 2 o'clock) were created with a steel blade. A 5 mm continuous curvilinear capsulorhexis was done, and the nucleus was removed with a 0.95 mm 30° angled tip, using a continuous ultrasound setting (Stellaris, Bausch …

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    Footnotes

    • Competing interests None.

    • Patient consent Obtained.

    • Ethics approval Ethics approval was provided by CHU Bretonneau, Tours, France.

    • Provenance and peer review Not commissioned; externally peer reviewed.