Cárdenas DT, Cuan AY, Noda BM, Camps BZ, Ocaña BIT

Language: Spanish
References: 25
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ABSTRACT

Objective: Compare the biometric measurements taken with IOL Master 700 and Pentacam AXL in myopic patients with previous photoablative surgery.
Methods: A cross-sectional study was conducted of 103 eyes of 103 myopic patients undergoing photoablative surgery at Ramón Pando Ferrer Cuban Institute of Ophthalmology from January 2019 to January 2020. The variables analyzed were age, sex, spherical equivalent and preoperative biometric characteristics (axial length, anterior chamber depth and keratometries) and the relationship to one another, automatically supplied by IOL Master 700 and Pentacam AXL to avoid operator-dependent factors. The analysis was performed three months after surgery. Statistical analysis was based on the paired Student's t-test with a significance level of 95%.
Results: Mean age was 25.72 ± 4.26 years. Fifty-three right eyes and 50 left eyes were studied, all of them treated with surface laser. Mean spherical equivalent was -0.06 ± 0.34 diopters; the time elapsed between surgery and the tests was 6.32 ± 3.56 months. No statistically significant differences (p > 0.05) were found between axial length and anterior chamber depth, but statistically significant differences (p < 0.01) were observed between the keratometries obtained with IOL Master 700 and Pentacam AXL.
Conclusion: IOL Master 700 and Pentacam AXL provide similar biometric measurements for axial length and anterior chamber depth in myopic patients with previous photoablative surgery, but keratometric measurements are different.

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