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Orbital cellulitis - an overview of the diagnosis and management

Periorbital (preseptal) and orbital cellulitis are infections of the subcutaneous tissues of the eye. They are differentiated by the location of the infection. Periorbital cellulitis refers to infection of the eyelid and subcutaneous tissues anterior to the orbital septum, whereas...

Microvasculature changes of mCNV after ranibizumab treatment using OCTA

In this study the authors aim to evaluate the vascular changes of myopic choroidal neovascularisation (mCNV) after ranibizumab treatment using optical coherence tomography-angiography (OCTA). The 3×3 OCTA en face images were analysed for the absence / presence of mCNV, CNV...

OCTA in diabetic macular oedema treated with intravitreal aflibercept (DOCTA Study)

Central vision loss due to diabetic macular oedema (DME) can be attributed not only to presence of the macular oedema itself but also, in some cases, to alterations of the foveal avascular zone (FAZ). The DOCTA trial was a longitudinal,...

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....

Disseminated cutaneous zoster – a masquerade

Reactivation of varicella zoster infection in the elderly commonly presents to ophthalmologists as herpes zoster ophthalmicus (HZO), affecting the Va trigeminal dermatome. In patients with impaired immunity, zoster infection occurs with increased severity and may be complicated by visceral and...

Choroidal melanoma – breaking bad news

Case report A 55-year-old Caucasian female presented to her general practitioner with a three-month history of headaches and worsening blurred vision in the left eye. On further close questioning, she reported no eye pain, intermittent floaters and flashes of light...

Pituitary adenoma causing compression of the optic chiasm

A 21-year-old girl presented to her general practitioner (GP) with a three-month history of headaches, becoming more frequent and associated intermittent vomiting that did not improve with simple analgesics. There was a strong family history of migraines. She was initially...

An anterior segment lump: a diagnostic and treatment challenge

Case presentation A 50-year-old female presented to eye casualty with a lump on the left medial lower eyelid with associated redness and occasional bleeding. The lump was present for a few months with recent enlargement (Figure 1). Her past medical...

Resurfacing the ocular surface

The ocular surface (OS) is an anatomical and functional unit made of the tear film, the conjunctival, limbal and corneal epithelium, the lacrimal, mucous and meibomian glands and the lids and blink reflex. The tear film is composed of a...

What’s next in retinal imaging? Faster, deeper and full-on

Fast-evolving technological leaps are opening the way toward clinically useful ocular coherence angiography, generating 3-dimensional microvasculature maps without intravenous dye injection, as well as whole-eye imaging, handheld patient-operated optical coherence tomography (OCT) devices and, for challenging vitreoretinal procedures, integrated intraoperative...

Typical or surprisingly uncharacteristic presentations of neuro-ophthalmic emergencies

Irrespective of geographical location or patient cohort, emergency departments are high risk locations capable of inspiring extreme anxiety and dread in patients and doctors alike. The stress multiplies when a walk-in or referred case is suspected of underlying neurological pathology....

A Case-Based Guide to Eye Pain: Perspectives from Ophthalmology and Neurology

A refreshing, systematic approach to eye pain, arguably one of the most commonly presenting symptoms and one that can be fraught with diagnostic challenges and management dilemmas for the busy clinician. There is a scarcity of books covering this particular...