You searched for "OHT"

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Toxic nutritional optic neuropathy (TON)

Toxic optic neuropathy are a group of conditions manifested by reduction of visual functions secondary to damage to the anterior visual pathways from exposure to a toxin. The implicated toxin could be work-based, food or drink related, or iatrogenic medication....

Acanthaemoeba keratitis

In the second of this series I describe a case of Acanthaemoeba keratitis (AK) that was misdiagnosed for a prolonged period which resulted in a devastating outcome. This is one of half a dozen similar medico-legal cases I have dealt...

The results of the last survey Aug 2019

Thank you once again for participating in the survey. Some fascinating results once again. Almost one in five of us do not cancel cataract surgery on the day if the blood pressure (BP) is high, which I am surprised about....

The results of the last survey Aug 2020

Once more I would like to thank those of you who took the time to complete the last edition’s survey. It was highly pertinent to what we are facing now. It is clear that our services have been markedly disrupted....

The results of the last survey Apr21

There was a really fascinating response to the last edition’s practice variance survey. Strictly speaking, I cheated and this was not really about practice variation, but more about your impressions about what represents negligent practice. For the first time ever,...

The results of the last survey Feb22

This edition’s survey took a slightly different tack and tried to look at the problems we face in litigation. Litigation is unpleasant. It is horrible being involved in it and the process of litigation can be extremely stressful. From the...

The results of the last survey Apr22

The answer to the first question was interesting in that it seems an increasing number of units are doing same-sitting bilateral cataract surgery. It is becoming accepted practice and mainstream. Immediately sequential bilateral cataract surgery (ISBCS) involves performing phacoemulsification with...

The results of the last survey Apr23

*Please be aware that this data does not form part of a peer reviewed research study. The information therein should not be relied upon for clinical purposes but instead used as a guide for clinical practice and reflection. My thanks...

The results of the last survey Jun23

*Please be aware that this data does not form part of a peer reviewed research study. The information therein should not be relied upon for clinical purposes but instead used as a guide for clinical practice and reflection. I continue...

Doctor prints cornea on demand!

Simerdip Kaur takes a look at the latest ophthalmology-related news stories and asks which are based on facts and which are ‘fake news’. Headline: Doctor prints cornea on demand! Dr Hideo Kodama from the Nagoya Municipal Industrial Research Institute first...

Ocular Dirofilariasis: a diagnosis on the rise?

Dirofilaria repens is one of 40 species of Dirofilaria. It is a zoonotic filarial nematode that commonly impacts dogs, however, human infection can occur through affected organs like skin, lung and eyes [1]. Although, there have been case reports of...

Global health and conflict: the unseen consequences

Global eye health inequalities stem from poor access to affordable care, causing preventative vision impairment and blindness. In 2020, a study showed that 510 million people, the majority being in low-income and middle-income countries, had uncorrected near vision impairment simply...