The intraocular pressure rise that can complicate the use of topical or systemic corticosteroid has been recognised for 50 years. More recently, following isolation of the myocilin gene (previously known as the trabecular meshwork inducible glucocorticoid response or TIGR gene), there has been renewed interest in this steroid-responsive phenomenon. Furthermore, the currently fashionable use of injectable intraocular steroids in the management of clinically significant subretinal fluid and macular oedema has resulted in an increased incidence. Animal studies, cell biology, molecular biology, and an improved knowledge of genetics have provided a better understanding of the mechanisms behind the response. The purpose of this review is to describe the risk factors for developing corticosteroid-induced glaucoma, to discuss the underlying mechanisms and genetics of the condition and to present management options.
Aim To study the motility pattern, underlying mechanism, and management of patients who complained of double vision after cataract surgery. Methods A retrospective case note analysis of 150 patients presenting with diplopia after cataract surgery to an orthoptic clinic over a 70-month period. Information was retrieved from orthoptic, ophthalmological, and operating room records.
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Cataract surgery with toric intraocular lenses allows the correction of high degrees of regular corneal astigmatism. We discussed the potential advantages and complications of performing toric lens cataract surgery as a secondary procedure.
The effectiveness of complex strabismus surgery is often limited by the development of fibrosis postoperatively. The use of mitomycin C to reduce fibrosis in strabismus surgery has been reported, but the use of amniotic membrane has not. We describe a technique which uses both mitomycin C and amniotic membrane patches to reduce fibrosis. We describe this technique for two patients with complex strabismus who were treated with this technique.
Background The WHO's Vision 2020 global initiative against blindness, launched in 2000, prioritises children. Progress has been hampered by the global paucity of epidemiological data about childhood visual disability. The British Childhood Visual Impairment and Blindness Study 2 (BCVIS2) was undertaken to address this evidence gap. Methods UK-wide prospective population-based observational study of all those aged under 18 years newly diagnosed with visual impairment or blindness between Oct 1, 2015 and Nov 1 2016. Eligible children were notified simultaneously but independently by their managing ophthalmologists and paediatricians via the two national active surveillance schemes, the British Ophthalmic and Paediatric Surveillance Units. Standardised detailed data were collected at diagnosis and one year later. Incidence estimates and relative rates by key sociodemographic factors were calculated. Descriptive analyses were undertaken of underlying ophthalmic disorders and nonophthalmic comorbidities.
FindingsOf 784 cases, 72% had additional non-ophthalmic impairments/disorders and 4% died within the year. Annual incidence was highest in the first year of life, 5•2 per 10,000 (95% CI 4•7-5•7) with cumulative incidence by 18 years of 10•0 per 10,000 (95% CI 9•4 to 10•8). Rates were higher for those from any ethnic minority group, the lowest quintile of socio-economic status, born preterm or with low birthweight. Only 44% had a single ophthalmic condition: disorders of the brain/visual pathways affected 48% overall. Prenatal or perinatal aetiological factors accounted for 84% of all conditions.
InterpretationBCVIS2 provides a contemporary snapshot of the heterogeneity, multi-morbidity and vulnerability associated with childhood visual disability in a high income country, and the arising complex needs. These findings will facilitate developing and delivering healthcare and planning interventional research. They highlight the importance of including childhood visual disability as a sentinel event and metric in global child health initiatives.
Travoprost monotherapy had a sustained hypotensive effect in NTG and achieved a reasonable or good response (>20% reduction in average IOP) in 32.9% of treated eyes. However, in the majority of eyes with NTG, travoprost monotherapy appeared unable to produce the desirable 30% reduction in average IOP.
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