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Triamcinolone (TA) deposits following subcutaneous injection to treat chalazion

Chalazia are chronic lipogranulomatous inflammations of the eyelid secondary to a blocked meibomian gland. Whilst most resolve spontaneously, certain chalazia warrant treatment. Options include incision and curettage (I&C), lesion excision, intralesional steroid injections, and botox injections [1]. I&C is usually...

Strange Sequelae Succeeding ‘Surfer’s Eye’

Ophthalmologists in the UK are relatively infrequently faced with a patient requesting surgery for a pterygium. This condition is more common where ultraviolet exposure is greater, especially if coupled with activities associated with ocular surface irritation. For this reason, a...

Quiz Oct/Nov 2024

History An 83-year-old female was previously treated by surgical excision and plaque brachytherapy for her left conjunctival lesion. She presented to her ophthalmologist with a recurrence some years later and underwent a lid sparing orbital exenteration, which was sent to...

The assessment of pupils and 
pupillary reactions

Understanding pupillary reactions is vital in understanding basic neuro-opthalmology. It is a skill required in eye casualty, clinics and perhaps most importantly, exams. To start at the beginning, the pupil is the central aperture of the iris, its size controlling...

It’s not always GCA

Giant cell arteritis (GCA) is an immune mediated granulomatous inflammatory disease that affects muscular middle or large sized arteries. It is considered as a continuation of polymyalgia rheumatica (PMR) when the severity of the disease has increased. It is the...

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...

Dramatic myopic shift due to epithelial basement membrane dystrophy

Epithelial basement membrane dystrophy (EBMD), also known as map-dot-fingerprint dystrophy, is a common anterior corneal disorder affecting approximately 2% of the population [1]. It is characterised by the abnormal maintenance of the basement membrane, resulting in protrusions into the epithelium....

Ocular electrophysiology

A 34-year-old woman, who is a CEO in a multinational firm, has been losing vision over the last 12 months. She has seen her opticians, who initially tried different glasses but could not improve things. Clinical examination is unremarkable. How...

Upper eyelid ulceration as a presenting sign of frontal sinus mucocele

Introduction A sinus mucocele is an epithelium-lined sac filled with mucus and desquamated epithelium. It forms secondary to inflammatory processes that occur in a sinus with an obstructed ostium. Predisposing conditions include previous trauma, surgery, tumours, anatomical abnormalities, and chronic...