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Practical phacodynamics – making the most of your phacoemulsification machine

Understanding phacodynamics is appreciating the subtleties in the dynamic changes of the fluidics and the ultrasonic power delivered. Kristina Southcott explains. Increase my vacuum! Increase my bottle height! Increase my phaco power! I frequently observe the above commands being directed...

The structure function relationship in glaucoma

Chronic open angle glaucoma (COAG) is the second most common cause of blindness worldwide. It is diagnosed on the basis of three clinical signs, raised intraocular pressure (IOP), visual field (VF) defects and structural changes to the optic nerve head...

Unlocking the power of simulation: a next generation solution to training ophthalmic professionals

With experts predicting that global blindness will triple by 2050, and the number of people requiring eyecare already outpacing the number of trained ophthalmologists, eyecare training has never been more vital. Traditional in-person ophthalmic training has been curtailed by the...

Obituary: Sohan Singh Hayreh (1927 - 2022)

Sohan would have been 95 on 6 November this year, but due to complications of COVID-19, he passed away on 29 September.

Ciliatech reports positive clinical results on novel glaucoma implant, CID, in 24-month post-operative follow up

Chavanod (near Annecy), France, March 29, 2023 - Ciliatech, an ophthalmology medtech company developing a new class of implant to treat glaucoma durably, announced the positive results of a 24-month post-operative follow-up on a clinical trial of CID, its first generation Cilio-scleral Inter-positioning Device.

Hoya Vision Care announces winner of its first-ever international MiYOSMART Case Study Contest

The International MiYOSMART Case Study Contest was held at the 60th International Myopia Conference (IMC) 2024 meeting in Sanya, China, HOYA Vision Care launched its first-ever MiYOSMART Case Study Contest at the prestigious IMC meeting in Sanya, China, which plays...

Conference Report: Building on a successful 2024: A week of learning at the Kabgayi Eye Unit

2024 was an exceptional year for us at Kabgayi Eye Unit (KEU). We hosted Rwanda’s first-ever international ophthalmology conference, established the Kabgayi Learning and Simulation Centre (KLAS) – a dedicated wet lab and skills transfer centre, and launched our training...

Feb/Mar 2014 Quiz 2

History A 65-year-old lady presented with a ten year history of nonspecific visual disturbance and mild symptoms of dry eyes. Questioning revealed progressive nyctalopia. Previous medical history of note included Crohn’s disease requiring two bowel resections including small intestine. Figure...

Quiz Jun/Jul 2024

History A one-year-old girl originally presented with a red eye, initially bilaterally and later in the left only. On examination a membrane was found on the tarsal conjunctiva of the upper eyelid (Figure 1). Figure 1: Anterior segment. Serum plasminogen...

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...

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...