SOS (Simplified Ophthalmic Statistics) Part 3: Which statistical test should I use (if any)?
4 December 2018
| Catey Bunce
|
EYE - General
P<0.05 is a statement that brings joy to many researchers. Arguably this is because inclusion of such a statement may increase the chance of acceptance for publication. Whilst statisticians and non-statisticians are united in trying to change this culture, cultural...
In conversation with Salman Waqar
1 December 2018
| Salman Waqar, Hari Kaneshayogan
|
EYE - General
Hari Kaneshayogan interviews Salman Waqar, a Consultant Ophthalmologist with a keen interest in medical innovation. He is the inventor of the Waqar suture removal forceps, which combines suture cut and removal in one instrument. He has also created an injection...
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...
On becoming a man
It was at the height of the gender debate, with Donald Trump banning transsexuals from serving in the US army and parts of the first world indulging in controversies on whether separate transgender toilets are needed, that a 40-year-old lady,...
SOS (Simplified Ophthalmic Statistics) Part 2: How to summarise your data and why it’s a good idea to do so
1 August 2018
| Catey Bunce
|
EYE - General
Studies involve capturing data. Statistical techniques allow data to be used to answer important research questions. A case series may have data on a handful of subjects but we are now entering the Big Data arena where datasets can be...
Decontamination and sterilisation of surgical instruments and medical devices
1 June 2018
| Anne-Marie Ablett
|
EYE - General
Ann-Marie Ablett is a Theatre Nurse and Team Leader who volunteers with Orbis. This has allowed her to gain a wealth of experience on ophthalmic procedures, nursing in under-privileged parts of the world, leadership, management and use of scarce resources....
How a calcified Soemmerring ring was removed from the vitreous cavity when the cutter and forceps failed to do so
1 June 2018
| Jan Huelle, Jonathan Park
|
EYE - Vitreo-Retinal
Know’st thou the land where lemon-trees do bloom,And oranges like gold in leafy gloom; A gentle wind from deep blue heaven blows, The myrtle thick, and high the laurel grows? ‘Tis there! ‘tis there, O my beloved one, I with...
Simplified Ophthalmic Statistics (SOS) Part 1: An introduction to data – how do we classify it and why does it matter?
1 April 2018
| Catey Bunce
|
EYE - General
Introductory statistics courses often start by explaining how data can be classified in different ways. What is not always clear is why you would need to know this. Catey Bunce and Tafadzwa Young-Zvandasara explain. The term data can be applied...
In vivo confocal microscopy, principles and use in keratitis Part 1: Principles
In 1968 Maurice introduced the concept of high powered specular microscopy, it was in that very year that the first scanning confocal microscope was proposed. Marvin Minsky developed the first confocal microscope in 1955 named the ‘double focusing scanning microscope’....
“We try our best”, but we should still be open and transparent
1 February 2018
| Vishnu B Madhok
|
EYE - General
In a recent discussion with colleagues, someone recognised that many, when asked what they do, say, “I am a doctor”. Rather than “I work as a doctor”. This sense of belonging, pride and duty comes with responsibility. Becoming a surgeon,...
“Herr Doktor, I can’t see but I am driving”
This 56-year-old lady was quite puzzling. With her own glasses and the pinhole she merely managed to see the 1.3 and 1.0 logMAR lines with her right and left eye, respectively (I am currently working in Germany again, so goodbye...
