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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...

Traumatic optic neuropathy

In neuro-ophthalmology we get asked a lot about management of patients who suffered significant trauma and presented with loss of vision secondary to presumed traumatic optic neuropathy (TON). TON happens usually in the context of significant craniofacial trauma. The incidence...

What's trending Dec/Jan 2022

A round-up of the eye-related hot topics that have been trending on social media over the last few weeks. #eyetrackingtechnology #assitivetechnology #gaming Modern eye trackers often rely on electronic specialist hardware that continuously scan the the pupil and reflections from...

An uncommon late postoperative complication of combined cataract surgery and intravitreal triamcinolone injection

Case report A 64-year-old female with diabetic maculopathy (DMO) underwent phacoemulsification with intraocular lens (IOL) implantation in her right eye combined with intravitreal triamcinolone (IVTA). Diabetes control was poor with HbA1c (IFCC) of 119mmol/mol and blood sugar level of 27mmol/L....

Recurrent unilateral preseptal cellulitis secondary to herpes simplex virus infection

Introduction Periorbital (sometimes called preseptal cellulitis) is a common condition which on its own is not normally an ophthalmic or surgical emergency, however it has the potential to cause severe and serious morbidity in cases where the infection has crossed...

Cornea teaching techniques: one cornea donor tissue for two purposes

There is a national shortage in the UK in corneal graft material [1,2]. The majority (69%) of corneal transplants in the UK are partial thickness, with 35% being Descemet membrane endothelial keratoplasty (DMEK) [2]. During the preparation of the donor...

DMEK vs. UT-DSAEK: has the debate been finally concluded?

In recent years the surgical treatment of corneal endothelial dystrophy has progressed tremendously. Descemet’s membrane endothelial keratoplasty (DMEK) is the newest iteration in the line of rapid surgical advances that has taken place. However, the previously accepted gold standard prior...

How to pass FRCOphth Part 1 on the first attempt

Studying for this exam makes one wonder how there is so much to know about such a small organ. The FRCOphth Part 1 examination is notorious for its low pass rate, with only 20–40% of candidates succeeding at each sitting....

Valuable resources for FRCOphth Part 1 exam preparation

The FRCOphth Part 1 exam is a difficult exam with an average pass rate of 46% in the last year. It is a requirement before entry into the third year of ophthalmology specialty training (OST). Passing this exam during foundation...

Diabetes and diabetic retinopathy: Changes in understanding of the disease over the last 25 years and how the UK is helping low-income countries tackle the challenges

Diabetes – a historical perspective Diabetes mellitus (DM) is a chronic disease caused by inherited and / or acquired deficiency in production of insulin by the pancreas, or by the ineffectiveness of the insulin produced. Such a deficiency results in...

The Global Vision Database

The overall goal of the Global Vision Database (GVD) [1] is to develop and deploy new and improved evidence on the prevalence of blindness and vision impairment (VI) globally. It is a repository which allows us to assess the causes...

Part 1: The Arclight Project – Frugal tech for sight

Click here for Part 2 on this topic, and here for Part 3 The Arclight Project is a mix of frugal design, manufacturing, distribution, teaching, research, and advocacy, all wrapped up in a social enterprise based at the University of...