Preop and postop imaging vital for phakic IOLs

Article

Preop and postop imaging and endothelial cell counts are vital to check the position and performance of a phakic IOLs, Dr David Hardten told colleagues.

Preop and postop imaging and endothelial cell counts are vital to check the position and performance of a phakic IOLs, Dr David Hardten told colleagues.

"Why do I use phakic IOLs? Well, it is a very good technique to correct very large errors while retaining accommodation, in both myopia as well as hyperopia," he said.

In general, as was shown in the FDA clinical trial, he said, the results with just minimal imaging, spectral microscopy and central anterior chamber depth, were actually quite good in respect of safety and the effects of the implant, both in clinical trials where phakic IOLs were iris fixated as well anterior chamber implants.

But complications do occur, and imaging can help to minimise the risk of them happening, "Phakic IOLs require the usual refractive work-up including refraction and others," said Dr Hardten. "But you also need the anterior chamber depth, and you should look for it at both the periphery as well as the centre."

Dr Hardten showed the audience how ultrasound with the A-Scan, optics with the Orbscan (Bausch & Lomb) or Pentacam (Oculus), or OCT could provide that information. Other key metrics are the angle-to-angle and sulcus-to-sulcus measurements. Surgeons can use ultrasound, optical or OCT to obtain these figures.

Dr Hardten noted that postoperative imaging was very important too. "Analyse clearance between IOL and endothelium, and between the IOL and the crystalline lens. You also need to check the IOL position in relation to the ciliary sulcus and finally, you must continue with your cell counts."

Newsletter

Join ophthalmologists across Europe—sign up for exclusive updates and innovations in surgical techniques and clinical care.

Recent Videos
Christine Curcio, PhD, of the University of Alabama at Birmingham Heersink School of Medicine, shares histology update and revised nomenclature for OCT with Sheryl Stevenson of the Eye Care Network and Ophthalmology Times
SriniVas R. Sadda, MD, FARVO, shares key points from his retina presentation at the International SPECTRALIS Symposium
Robert Sergott, MD, describes fluorescence lifetime imaging ophthalmoscopy (FLIO) and the International SPECTRALIS Symposium – And Beyond (ISS) in Heidelberg, Germany.
Rayaz Malik, MBChB, PhD, a professor of medicine at Weill Cornell Medicine - Qatar, spoke with Ophthalmology Times Europe about his presentation. It's titled "An eye on neurodegenerative diseases: Challenging the dogma" at the International SPECTRALIS Sympsoium. In conversation with Hattie Hayes, Ophthalmology Times Europe
Anat Loewenstein, MD, describes her presentation on remote imaging for age-related macular degeneration and geographic atrophy at the International SPECTRALIS Symposium, in conversation with Hattie Hayes of Ophthalmology Times Europe
Tyson Brunstetter, OD, PhD, a US Navy Aerospace Optometrist at the NASA Johnson Space Center in Houston, Texas, shares key takeaways from his keynote at the International SPECTRALIS Symposium (ISS)
Rayaz Malik, MBChB, PhD, shares his presentation, titled An eye on neurodegenerative diseases: Challenging the dogma, at this year's International SPECTRALIS Symposium
At the Retina World Congress, Siegfried Priglinger, MD, speaks about ensuring the best outcomes for preschool-aged patients
At the 2025 ASCRS meeting, Robert Ang, MD said small aperture IOLs can benefit all patients, especially those with complex corneas or who have undergone previous corneal refractive surgery
Viha Vig, MBChB graduate student at the University of Auckland, New Zealand, discusses her poster presentation on the relationship between mitochondiral disease, Alzheimer disease, and other types of dementia.
© 2025 MJH Life Sciences

All rights reserved.