You searched for "photopsia"

397 results found

Two illustrative cases of AZOOR

The authors present two illustrative cases of acute zonal occult outer retinopathy (AZOOR) which causes acute idiopathic blind spot enlargement. The disease is characterised by sudden loss of outer retinal function associated with photopsia, with minimal or no fundoscopic changes...

Acute macular neuroretinopathy

Acute macular neuroretinopathy (AMN) is a rare condition that typically affects young women and presents with photopsia and paracentral scotomata [1]. We describe a case of severe acute macular neuroretinopathy, following Covid-19 infection. A 30-year-old woman presented to the urgent...

Effect of voriconazole of vision of healthy volunteers

Voriconazole is a broad spectrum, triazole antifungal agent used for systemic fungal infections. It has a favourable safety profile and is available in both intravenous and oral forms. The commonest adverse drug reactions with voriconazole are changes in visual perception,...

Clinical evaluation of a multifocal aspheric diffractive intraocular lens

This is a multi-centre prospective study involving five different centres in Europe including 52 patients with cataract. The average age was 68.5±10.5 years, 35 females were bilateral implanted with aspheric diffractive multifocal lens implantation of the Tecnis 1-Piece multifocal intraocular...

White dot syndromes

It is fair to say that trainees and consultants who are not medical retina specialists are a bit scared of the so called retinal ‘white dot syndromes’. It is easy to understand why this is the case, as almost every...

Causes of photophobia in adults and children

This retrospective case review identified individuals of any age with visual discomfort using billing records over an eight-year period. These records were screened for photophobia / light sensitivity as a main symptom or documented during examination. Data including demographics, medical...

Testing of binocular contrast sensitivity as an objective measure of severity in intermittent exotropia

The purpose of this study was to compare the binocular contrast sensitivity ratio (measured with the Vision CSV-100 vector chart) between 40 intermittent exotropia patients and 40 normal controls. The authors also evaluated the effect of intermittent exotropia compensation status...

Cancer associated retinopathy

Abdul Muhyemin Tarin reviews the presentation, pathophysiology and management of this paraneoplastic syndrome. Case presentation A 60-year-old hypermetropic female patient presented with several months’ history of painless blurred vision. Visual acuity (VA) was 6/24 and 6/9-1 in right and left...

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...

Macular imagery: observing the visual sensations pre- and post-Jetrea injections

A 63-year-old woman, a professional painter, was diagnosed with vitreomacular traction (VMT) in 2017. She had a history of metamorphopsia, drop in visual acuity (VA) in the left eye (6/6 in the RE; 6/18 in the LE), foveal vitreomacular traction...

Leading North London eye clinic appoints retina expert to treat growing ‘epidemic’ of patients living with myopia

Leading independent eye hospital based in Finchley, My-iClinic, has welcomed Consultant Ophthalmologist, Ms Yvonne Luo, to its growing team of specialists.

ROPPVAL Syndrome as a differential diagnosis to optic neuritis

Optic neuritis (ON) is a common cause of visual loss in young patients. Patients with eye pain and ipsilateral visual loss are often referred into neuro-ophthalmology clinics with a possible diagnosis of ON. In 2018 Jefferis et al. reported a...