You searched for "Optics"

1913 results found

People watching…

Confession time: I love a good airport lounge! Not only does it mean that you are about to go get some sunshine on a well-deserved break, it also provides a perfect opportunity to watch people go by. And what a...

The management of chronic uveitis

A 40-year-old company executive is referred from another unit with recurrent anterior and posterior uveitis for 12 months and the inflammatory markers are raised. Review of systems This is a case of chronic uveitis which needs a thorough workup and...

Cavernous sinus syndrome

Anatomically the cavernous sinus is a plexus of multiple veins that are connected and within this plexus there are several important vascular and neurological structures. These include cranial nerves III, IV, V1 (and sometimes V2), VI as well as the...

What's trending Jun/Jul 2024

#solar #eclipse The recent total solar eclipse over North America resulted in some stunning photos, but it was the aftermath that made the most headlines. There were ophthalmologists reporting a significant increase in the number of patients coming through their...

The results of the last survey Oct 2019

Another fascinating response which once more highlights the massive variation in practice. I completely acknowledge that ophthalmology is an art as well as a science and therefore there will be variances in practice and there will not be one ‘right’...

Severe conjunctival cicatrisation secondary to chronic glaucoma therapy

The timing of glaucoma filteration surgery during the course of chronic progressive glaucoma remains a contentious issue amongst glaucoma specialists. The vast majority support the use of maximal medical treatment initially to achieve the target pressure. Surgical procedures are only...

Oculogyric crisis with B12 deficiency

An oculogyric crisis (OGC) is a dystonic movement disorder of the eyes which can last from seconds to hours. Although there is no published diagnostic criteria for OGC, typically the onset is acute, and it is characterised by conjugate upward...

A closed angle seldom comes alone

Case report An 89-year-old lady with dementia was referred to me out of hours by her GP with a few days history of an angry looking left eye for suspected elevated intraocular pressure (IOP). I discovered that this lady first...

Take this waltz

My last weekend on-call was the busiest I can remember for a very long time. We were just completely swamped with patients. The weather was not too good that Saturday and it felt like every second inhabitant of our ocean...

Under pressure: a tool to aid the 
non-ophthalmic practitioner in the timely management of acute angle closure

Acute angle closure is a true ophthalmic emergency that mandates timely diagnosis and treatment. The priority in initial management is to lower the intraocular pressure in an expeditious matter using medical treatments. The risk of irreversible glaucomatous optic neuropathy is...

What you learn after performing 10,000 cataracts

What do you do when the anterior chamber shallows, or the zonules give way? How do you handle the stubborn epinuclear plate? Raymond Radford shares the benefit of his experience when dealing with tricky cataract surgery. Firstly, you realise you...

Unexpected diagnoses – stroke in children and homonymous hemianopia

We present the case of a 12-year-old child presenting with a few days history of left-sided visual loss. Upon further investigation with magnetic resonance imaging (MRI) she was unexpectedly diagnosed with a right-sided chronic posterior cerebral arterial territory infarct, causing...