You searched for "lesions"

1794 results found

A brief history of colour vision

Andrew Want takes a look at how colour vision has evolved in humans and animals and how it differs across species. Colour vision is something that we often take for granted, but it has become so intrinsic to the way...

Getting the Duke Elder examination right: reflections and tips from a medical student

The Duke Elder undergraduate prize examination is an annual exam organised by the Royal College of Ophthalmologists in the United Kingdom. Named after Sir Stewart Duke Elder, a prominent British ophthalmologist, the exam is designed to encourage undergraduate medical students...

The Eyes Have It launches new report calling for a National Eye Care Plan for England to address surging patient demand

The Eyes Have It is a partnership of Macular Society, Fight for Sight / Vision Foundation, Royal National Institute of Blind People (RNIB), Association of Optometrists, The Royal College of Ophthalmologists and Roche Products Ltd.

The challenges of rural optometry and how independent prescribing has helped

Why move from a busy professional independent Aberdeen optometry practice over 200 miles to one of the most remote places in the United Kingdom? I could talk about the professional challenge of supporting a rural community, or the chance to...

On becoming a man

It was at the height of the gender debate, with Donald Trump banning transsexuals from serving in the US army and parts of the first world indulging in controversies on whether separate transgender toilets are needed, that a 40-year-old lady,...

MCQs for FRCOphth Part 1

The FRCOphth Part 1 is the first of the fellowship examinations set by the Royal College of Ophthalmologists. It is considered one of the hardest and challenging examinations focusing on the theoretical knowledge of the learning outcomes set in the...

Visual outcome and surgical results in children with Marfan Syndrome

Eighty-two eyes of 41 patients with a genetically proven diagnosis of Marfan syndrome were retrospectively analysed. Twenty-seven had bilateral subluxation and 14 received lensectomy. Follow-up was three years. Mean visual acuity (VA) was 0.1 ±0.7 logMAR in patients with normal...

Control of bleeding with diabetic vitrectomy under air

The authors describe a modified diabetic vitrectomy using continuous air infusion in diabetic eyes with severe fibrovascular proliferation. In their case series of 25 eyes (20 patients), intravitreal bevacizumab (1.25mg) was used one week prior to surgery. Fifteen eyes had...

Corneal stroma modelling under hypoxic conditions

The cornea is exposed to hypoxia under several conditions including sleep, inflammation and wound healing. Being an avascular tissue to maintain transparency, how the cornea homeostatic controls oxygen tension is important. To address this process two models were utilised; a...

Outcomes of cataract surgery in eyes with weak zonules

Pseudoexfoliation (PEX) and zonular weakness have long been known to increase the risk of complication of cataract surgery. This retrospective study looks at the results of phacoemulsion and intraocular implantation in 295 eyes with pseudoexfoliation and zonular weakness, with a...

Simple approach to prevent capsule tear-out during capsulorhexis creation in hyper mature cataracts

Puncturing the anterior capsule in the anterior chamber so that the pressure falls below intracapsular tension causes the rhexis to extend out to the equator. If this develops into a tear that wraps around the entire lens it is called...

Risk factors for NTG in a young Korean population

Previously known ocular and systemic risk factors for normal tension glaucoma (NTG) include myopia, peripapillary atrophy, disc haemorrhage, migraine, obstructive sleep apnoea, thyroid disease and cerebral infarction. However, most NTG risk factor studies have examined patients aged 40 years and...