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Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
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[Intraoperative Measurement of Refraction with a Hand-Held Autorefractometer].

C Gesser1, T Küper1, G Richard1

  • 1Klinik und Poliklinik für Augenheilkunde, Universitätsklinikum Hamburg-Eppendorf.

Klinische Monatsblatter Fur Augenheilkunde
|April 9, 2015
PubMed
Summary
This summary is machine-generated.

Intraoperative objective refraction measurement using the Retinomax device can predict postoperative outcomes after cataract surgery. While generally accurate, significant variations may occur in some patients.

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Area of Science:

  • Ophthalmology
  • Refractive Surgery
  • Cataract Surgery

Background:

  • Accurate intraoperative refractive measurements are crucial for optimizing visual outcomes after cataract surgery.
  • Hand-held autorefractors offer a potential tool for real-time refractive assessment during surgical procedures.

Purpose of the Study:

  • To evaluate the utility of intraoperative objective refraction measurement using a hand-held Retinomax instrument.
  • To compare intraoperative Retinomax measurements with postoperative measurements obtained by both Retinomax and a standard autorefractometer.

Main Methods:

  • Objective refraction was measured intraoperatively with a Retinomax at the end of cataract surgery.
  • Postoperative measurements were taken on day one using both Retinomax and a standard autorefractometer.
  • Spherical equivalent (SE), J0, and J45 were analyzed to assess differences between measurements.

Main Results:

  • Data from 103 eyes (95 with normal cataract surgery) were analyzed.
  • Mean differences between intraoperative Retinomax and postoperative standard autorefractometer were 0.68 ± 2.58 D (SE), 0.05 ± 1.4 D (J0), and 0.05 ± 1.4 D (J45).
  • No statistically significant differences were found between the measurement groups.

Conclusions:

  • Intraoperative Retinomax measurements show potential for predicting postoperative refraction.
  • The Retinomax instrument can be a valuable tool for assessing refraction during cataract surgery.
  • While generally reliable, potential for significant refractive differences in a subset of patients warrants consideration.