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Asma Khalil: A Step-by-Step Guide to Performing Ophthalmic Artery Doppler for Pre-Eclampsia Screening
Asma Khalil/asmakhalil.co.uk and Thomas Hanton/Facebook
Aug 2, 2026, 14:35

Asma Khalil: A Step-by-Step Guide to Performing Ophthalmic Artery Doppler for Pre-Eclampsia Screening

Asma Khalil, Professor of Maternal Fetal Medicine at St. George’s Hospital, shared on LinkedIn about a recent paper she co-authored with Thomas Hanton, published in Best Practice and Research Clinical Obstetrics and Gynaecology:

“New publication: How to measure ophthalmic artery Doppler for pre-eclampsia screening.

I’m delighted to share our latest article, co-authored with Dr. Thomas Hanton, now published in Best Practice and Research Clinical Obstetrics and Gynaecology.

The article provides a practical, step-by-step guide to performing ophthalmic artery Doppler, with a focus on achieving consistent, reproducible measurements for clinical practice and research.

Key takeaways include:

  • Why the PSV2/PSV1 ratio is a powerful, non-invasive marker relevant to pre-eclampsia.
  • Evidence showing improved second-trimester screening performance when ophthalmic artery Doppler is incorporated into prediction models.
  • A detailed acquisition protocol covering insonation technique, Doppler settings and image optimisation.
  • Practical guidance on safety, reproducibility and implementation.
  • The potential role of ophthalmic artery Doppler as an accessible screening tool, particularly in low-resource settings.

I hope this practical guide will support clinicians, sonographers and researchers working to improve the early detection of pre-eclampsia.

Many thanks to my co-author, Dr. Thomas Hanton, for this excellent collaboration.”

Thomas Hanton, co-author of the article and Clinical Fellow at Royal College of Obstetricians and Gynaecologists (RCOG), shared this post, adding:

“We have recently published a guide on measuring ophthalmic artery Doppler for pre-eclampsia screening. Thank you, Prof Asma Khalil, for the opportunity and mentorship.”

Asma Khalil

Title: How to measure ophthalmic artery Doppler for pre-eclampsia screening

Authors: Thomas Hanton and Asma Khalil

You can read the Full Article in Best Practice and Research Clinical Obstetrics and Gynaecology.

Asma Khalil

Other articles featuring Asma Khalil on Fertility News.

Asma Khalil Doppler Fertility Fertility News OBGYN ophthalmic artery pre-eclampsia pre-eclampsia screening reproductive health Reproductive Medicine Thomas Hanton Women’s Health
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