Abstract
Aims/Purpose: To evaluate the impact of dry eye disease (DED) on refractive errors in patients after cataract surgery.Methods: Fifty patients undergoing cataract surgery were studied. Two study groups and a control group were distinguished. The first study group (group A, n = 22, 44%) were patients with preoperatively diagnosed DED who received appropriate treatment (eyelid margin hygiene and moisturizing the ocular surface). The second study group (group B, n = 14, 28%) were patients in whom such treatment was also implemented, despite the lack of a diagnosis of DED. The remaining patients (n = 14, 28%) were the control group (Group C). Biometric measurements with calculation of intraocular lens (IOL) power were performed twice in all of them (before and after treatment of DED). Refraction and refractive errors were evaluated one month after surgery.Results: Significant improvement in best corrected visual acuity (BCVA) was obtained in all groups after surgical treatment. In both study groups, a significant reduction in the mean absolute error (MAE) after the treatment was achieved – in study group A, the MAE was 0.37 ± 0.30 D vs 0.24 ± 0.33 D, p = 0.003. In study group B, MAE was 0.29 ± 0.26 D vs 0.23 ± 0.23 D, p = 0.017. The control group showed no difference in MAE (0.27 ± 0.18D vs 0.33 ± 0.21 D, p = 0.322). In study group A, there was a significant reduction in the percentage of MAE in the ± 0.25 D range (36.36% vs 77.27%, p = 0.016). The results are comparable with previous publications.Conclusions: Diagnosis and treatment of dry eye syndrome before cataract surgery is an important factor in reducing refractive errors after surgery. The use of lubricating drops and eyelid margin hygiene before biometry can be considered for all patients undergoing cataract surgery.
Published Version
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