You searched for "Simulation"
Prediction errors of formulas in optical biometers
This study was conducted retrospectively in a private practice setting. Nine formulas were compared for prediction error (postoperative spherical equivalent (SE) minus, predicted SE calculated by each formula), using two optical biometers (Lenstar – optical low coherence reflectometry (OLCR) and...Doctor in the House
“What’s the bleeding time?”“10 past 10 sir”. These are the famous lines uttered by Chief Surgeon Sir Lancelot Spratt (James Robertson Justice) and Medical Student Simon Sparrow (Dirk Bogarde) on a pre-op ward round at the fictional St Swithin’s Hospital,...What's trending Feb/Mar 2021
A round-up of the eye-related hot topics that have been trending on social media over the last few weeks. Happy New Year! Goodbye 2020, a year no one could have imagined, with our lives and headlines dominated by COVID-19 as...Practical phacodynamics – making the most of your phacoemulsification machine
Understanding phacodynamics is appreciating the subtleties in the dynamic changes of the fluidics and the ultrasonic power delivered. Kristina Southcott explains. Increase my vacuum! Increase my bottle height! Increase my phaco power! I frequently observe the above commands being directed...Herpes zoster ophthalmicus: the essentials
Herpes zoster, also referred to as shingles, is a common infection most typically caused by the reactivation of varicella zoster virus that lies dormant (sometime for decades) in the dorsal root nerve ganglion following primary chickenpox infection [1]. In 10-20%...
Risk factors for lens dislocation post cataract surgery
This retrospective cohort study in Korea assessed the risk factors for intraocular lens (IOL) dislocation. They used national data of 2,162,191 patients who had had cataract surgery between 2009 and 2016. They excluded any patient who had an IOL dislocation...
Questionable ERG use for Vigabatrin screening
The authors aimed to identify the usefulness of electroretinograms (ERGs) as screening for retinal toxicity in patients taking Vigabatrin in a single centre study. This was a retrospective review of full field ERGs and included 170 ERGs of 138 patients...
Associations with ocular surface disease in high school children
The authors aimed to determine the prevalence of ocular surface symptoms in a high school population and to evaluate its association with contact lens wear and other factors. The study had a population of 3240 students. This was a cross-sectional...
Screening outcomes for Syrian refugee children
This study compared two commonly used photoscreeners in a Syrian refugee camp in Jordan to better understand what types of technology would function best in a low-resource setting. The children in this study were assessed with the PEEK acuity application...
Cost-effectiveness framework discussion for vision screening
The authors present a discussion paper on hypothetical, but representative, examples of post-referral costs that may result from different screening options up to the point of discharge from specific services. Data was taken from a recent (2019) systematic review (with...
