You searched for "imagers"

1641 results found

Retinal vessel diameter in pseudoexfoliation

Pseudoexfolation (PEX) is characterised by deposition of fibrillary extracellular material on ocular and extraocular tissue. Studies have shown that deposition in vascular structures cause hypoxia and ischaemia. In the eye, a decrease in blood supply to the optic nerve can...

A case of ipsilateral fourth nerve paresis and Horner’s syndrome

The author presents a single case report of an exceptional association between fourth nerve palsy and ipsilateral Horner’s Syndrome. The case is presented alongside magnetic resonance images (MRI) which reveal a mass in the right cavernous sinus. The 54-year-old woman...

Age-related macular degeneration in elderly persons in Germany

The authors present the findings of a cross-sectional study in 11 seniors’ community centres. Eleven community centres were screened with a total of 281 participants. A third of participants with gradable images were in normal retinal health (32%).The most common...

Perceptual learning treatment for amblyopia

The authors previously conducted a feasibility study examining the potential benefit of a self-administered at-home use of a tablet-based perceptual learning (PL) game. Visual stimuli were presented in various orientations and spatial frequency in a game-play format. This study evaluates...

Using MRI to assess normal variation in optic chiasm anatomy

The authors present an MRI study including 61 MRI scans using a 1.5 T with slice thickness of 1 or 5mm and the sequence showing the highest resolution of the chiasm. A predetermined set of measurements were taken in a...

Natural history of idiopathic intracranial hypertension depending on incidental or symptomatic presentation

The authors present a large retrospective review cohort of consecutive patients diagnosed or presumed idiopathic intracranial hypertension (IIH) over a three-year period at a single tertiary centre. Patients on medication with a known aetiology for IIH were excluded. The cohort...

Disc-fovea angle measurements for objective cyclotorsion review

The author measured the disc-fovea angle (DFA) in 249 healthy people (81 male, 168 female) as part of a retrospective study of 44 to 70-year-old adults. These were grouped as (1) aged 44 / 45 years, (2) aged 59-70 years,...

Associations between cerebral vascular malformations and retinal venous malformations

The authors present a retrospective medical notes review which aimed to understand associations between retinal venous malformations (RVM) and cerebral vascular malformations (CVM). Cases of known CVM over a four-year period were identified. The data extracted from medical records included...

The evolution and visual prognosis of glial proliferation of different grades after macular hole surgery

This retrospective research study aimed to investigate the evolution of glial proliferation of varying grades after successful idiopathic macular hole repair and its effects on foveal microstructure and best-corrected visual acuity (BCVA). Two-hundred and two eyes were enrolled in this...

Assessing everyday visual function in dry AMD – what matters to the person?

Age-related macular degeneration (AMD) is the primary cause of blindness in the developed world and is accountable for more than one half of sight impairment registrations within England and Wales [1]. AMD is prevalent in people aged 60 years and...

Apr/May 2014 Quiz 2

History A 29-year-old woman presented to the emergency department with a two week history of floaters and patchy peripheral visual field loss in the left eye (LE). She had no relevant medical history and she was not on any current...

Laser pointer maculopathy

The objective of this study was to describe the potential clinical presentations of retinal pathology resulting from exposure to laser pointers. The study included eight eyes of seven patients. Mean age was 18.7 years (12-36). Most were accidental self-inflicted while...