Research summary, original research, 2016

The influence of operator position, height and body orientation on eye lens dose in interventional radiology and cardiology: Monte Carlo simulations versus realistic clinical measurements

Principi S, Farah J, Ferrari P, Carinou E, Clairand I, Ginjaume M. Physica Medica. 2016

Read the original paper

In plain language

Simulations checked against hospital measurements suggest interventionalists' left eye gets more dose, and turning away from the X-ray tube or placing the monitor away from it can roughly halve eye dose. Lead glasses reduce dose; a correction factor of 0.5 is proposed.

At a glance

Type of study
Original research, Phantom or simulation study
Who was studied
Interventional cardiologists, Interventional radiologists, Phantom or simulation (no people)
Where
Spain
Summary based on
the abstract

What it found

  • Rotating the body away from the X-ray tube by 45-60 degrees halved eye lens exposure in simulations.

    Key figures: factor of 2

  • Taller operators received lower left-eye dose; 10 cm extra height could halve it.

    Key figures: up to a factor of 2 per 10 cm

  • Left eye exposure is generally higher than the right when the operator stands on the patient's right.

  • A calculated correction factor of 0.3 for wraparound lead glasses agreed reasonably with measurements; a general factor of 0.5 is proposed for any position, height or orientation.

    Key figures: 0.3 (wraparound); 0.5 general

  • Placing the image screen away from the X-ray source significantly reduces eye lens dose.

Limits to keep in mind

Mainly Monte Carlo simulation, with comparison to a limited number of clinical measurements in Spanish hospitals; the abstract does not report measurement numbers or uncertainty.

How this summary was made

ORSIF prepared this summary with AI assistance from the abstract of the paper. A program then checked that the passage supporting each finding appears word for word in that source. A person has not yet reviewed each summary, so read the original before relying on a number. ORSIF summarizes research and does not endorse any product or company. Report a problem with this summary.

Prepared November 3, 2026.