You searched for "Optics"

1913 results found

Management and outcomes of congenital fibrovascular pupillary membranes (CFPM)

Congenital fibrovascular pupillary membranes (CFPM) is defined as a white fibrous membrane across the pupil which may be an ectopic iris tissue arising from the aberrant migration of neural crest cells or a variant of persistent fetal vasculature. The authors...

Differential diagnosis of retinoblastoma and pseudo retinoblastoma

The authors reviewed the rate of pseudo retinoblastoma (PRB) among cases referred for suspicion of RB at a tertiary referral centre in Turkey and the distribution of PRB cases according to age. This was a retrospective study of 549 patients...

Retrospective review of visual outcomes in Idiopathic intracranial hypertension (IIH)

Idiopathic intracranial hypertension (IIH) is a clinical syndrome characterised by headache and papilloedema that can lead to significant visual morbidity. IIH is diagnosed by the modified Dandy criteria, which include normal neuroimaging and cerebrospinal fluid (CSF) composition, high CSF opening...

Effects of ML4 on the eye

Mucolipidosis type IV (ML4) is an autosomal recessive lysosomal storage disease and is caused by variants of the MC0LN1 gene. It often presents in young individuals with eye and ocular adnexa issues. The authors present a case report and literature...

Can coenzyme Q10 have a protective role in ethambutol-induced retinal ganglion cell toxicity

Tuberculosis (TB) is one of the most prevalent infectious diseases, especially in developing or low- income countries. Ethambutol is a widely used drug to treat TB. Ethambutol can cause visual disturbance including ethambutol toxic optic neuropathy (ETON). ETON is one...

Unilateral cataract extraction outcomes in older children compared to two studies with younger cohorts

The authors present a retrospective study of children undergoing cataract surgery between the ages of two and seven-years-old at one centre, over a 24-year period. Data including demographics, ocular history, ophthalmic findings, operative reports, adverse events, and record of re-operations...

Is intracranial pressure affected by the valsalva manoeuvres and exercise?

Idiopathic intracranial hypertension (IIH) is characterised by elevated intracranial pressure (ICP), which leads to optic nerve head swelling and a risk of visual loss. The impact of straining and exercise on ICP regulation is poorly understood yet clinically relevant to...

Features and associations of CVI in Australian children

The authors report the findings of an audit of data from the Australian Childhood Vision Impairment Register (ACVIR) of 132 Australian children with a primary diagnosis of cerebral visual impairment (CVI). All children were living in Australia, 49% female, 51%...

Ocular sequalae of spinal muscular atrophy

The authors present a retrospective single-centre cohort study of patients with spinal muscular atrophy – a neurodegenerative disorder presenting between infancy and early adulthood. Forty-eight patients were included in total, with roughly equal numbers of types 1, 2 and 3...

Risk of fractures with glaucoma

In this systematic review and meta-analysis, 7 articles were analysed, with 570,694 subjects and a reported total of 45,957 fractures. The study protocol (CRD42024527785) was registered prospectively. PubMed, EMBASE, and Web of Science were searched from their inception to April...

Visual acuity improvement in amblyopic eyes following fellow eye vision loss

The authors present a systematic review with the aim of reporting how frequently and to what extent amblyopia recovers following the loss of vision in the fellow eye and identify any potential clinical predictors. Studies including adults with amblyopia and...

Ocular sequalae of spinal muscular atrophy

he authors present a retrospective single-centre cohort study of patients with spinal muscular atrophy – a neurodegenerative disorder presenting between infancy and early adulthood. Forty-eight patients were included in total, with roughly equal numbers of types 1, 2 and 3...