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1415 results found

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...

DIY IOP – does it work?

Measuring intraocular pressure (IOP) plays a major role in glaucoma care as IOP is a parameter, along with visual field progression and optic disc cupping used to assess treatment effect. While Goldmann tonometry (GAT) is the gold standard, it only...

Central corneal and epithelial thickness measured by Fourier domain OCT

This study examined intraobserver and interobserver reproducibility of corneal thickness (CT) and epithelial thickness (ET) measurement of Fourier domain OCT (RTVue) in 23 healthy volunteers. RTVue is capable of producing 26,000 A scans per second with depth resolution of 5µm....

Use of Bagolini filter bars

The authors measured the percentage light transmission of filters on different Bagolini filter bars to evaluate whether a difference exists in density of suppression or strength of abnormal binocular single vision (BSV). A Sekonic dual spot photometer was used to...

Accuracy of AS-OCT muscle insertion measurements

Anterior segment - optical coherence tomography (AS-OCT) is a non-contact imaging method that can provide accurate measures of extraocular muscles to limbus insertion distances. The authors evaluated the accuracy of AS-OCT for locating horizontal extraocular muscle insertions after strabismus surgery...

Accuracy of ASOCT muscle insertion measurements

Anterior segment optical coherence tomography (ASOCT) is a non-contact imaging method that can provide accurate measures of extraocular muscles to limbus insertion distances. The authors evaluated the accuracy of ASOCT for locating horizontal extraocular muscle insertions after strabismus surgery in...

Orbital fat density as a diagnostic tool in pre-septal and orbital cellulitis

This study aimed to evaluate the usefulness of orbital fat density in identifying post-septal involvement when initial differential diagnosis between orbital (OC) and periorbital (POC) cellulitis is unclear. This was a retrospective study of 57 patients with clinical diagnosis of...

Normative reference values for optic nerve sheath diameter in children

The purpose of this study was to measure optic nerve sheath diameter (ONSD) in paediatric patients without pathology using brain CT performed for various reasons and to provide normal tomographic reference values. This was a retrospective study of CT scans...

Which cover test method is the best starting point for prescribing temporary prisms?

A retrospective review of medical records was completed, identifying consecutive patients prescribed Fresnel prisms for diplopia, assessed using both simultaneous prism and cover test (SPCT) and prism and alternate cover test (PACT) by a single orthoptist over a 36-month period....

Ophthalmology clinical teaching and research fellowships: a pathway into ophthalmology specialty training

Ophthalmology is known for being one of the most competitive medical specialties in the UK, with 6.8 applicants per post in 2021. In fact, the competition ratio has drastically increased in recent years, rising from 5.73 in 2020 and 3.24...

Does Duane syndrome have an effect on refractive error?

The authors present a retrospective case review from a database created from a 43-year period of patients with strabismus seen by a single ophthalmologist. Cases were reviewed by either an orthoptist or ophthalmologist for entry into the database. Details relating...

Modern practice options for UK ophthalmologists

When I spoke on setting up private practice at the annual United Kingdom & Ireland Society of Cataract & Refractive Surgeons (UKISCRS) meeting in November ’23 there was a lot of interest in different types of practice models. If we...