Nicolaides KH, et al. - In the present study, the researchers reported the methodology for ophthalmic artery Doppler and summarized findings from the clinical implementation of such assessment in the prediction of preeclampsia. From inception to November 2020, the Embase and MEDLINE databases were searched for studies reporting on the use of ophthalmic artery Doppler in the prediction of preeclampsia. The ophthalmic artery Doppler is a useful biomarker for preeclampsia prediction.