You searched for "occlusion"

1373 results found

Bardet Biedl refractive error

This is a retrospective cross-sectional study of 45 patients with genetically diagnosed Bardet Biedl syndrome. Patients with biallelic defects in any gene known to cause Bardet Biedl syndrome were eligible for inclusion. Patients underwent cycloplegic refraction and keratometry. The mean...

Reporting the development and pilot use of fixable surgical instruments

This study reports the development of instruments to substitute traction sutures during strabismus surgery and to act in place of surgical assistance. Three types of instruments were developed: (1) fixable multi-functional forceps; (2) fixable muscle hook; and (3) fixable retractor....

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....

How common are carotid-cavernous fistulas and what are the neuro-ophthalmic manifestations?

The authors present a retrospective study using the Rochester Epidemiology Project database. The aim was to establish the incidence of carotid-cavernous fistulas (CCF) and outline the associated neuro-ophthalmic patterns. Cases were identified from the database using the following criteria: a...

Testing periods for accommodative and vergence facilities

The authors investigate if there is a significant difference in the number of cycles between the first and second 30-second (FASTS) periods of testing accommodative facility and vergence facility, and explore the possibility of reducing testing time by half. The...

IN FOCUS - Beyond 2020: what next for global eye health?

The year 2020 is a pivotal year for global eye health. It marks the conclusion of ‘VISION 2020: The Right to Sight’ which has guided action for the past two decades, and the end of the World Health Organization (WHO)...

Cornea, 2-Volume Set: Fundamentals, Diagnosis, Management and Surgery of the Cornea and Conjunctiva (4th Edition)

Originally published in 1997 as a comprehensive set of three volumes on cornea and external eye disease, this two volume edition, published at the end of 2016, offers “a complete multimedia resource, in print, online, eBook and video format”. There...

Macular holes: A brief review

The classification of macular holes has been modernised by OCT findings. This is a brief review and encompasses the historical literature on macular holes. A macular hole is an anatomical discontinuation of the neurosensory retina at the centre of the...

Sustainability in eyecare: Are virtual clinics the way forward in the diagnosis and monitoring of retinal disease?

Virtual clinics can be used successfully in screening and management of ocular conditions such as diabetic retinopathy, retinopathy of prematurity and age-related macular degeneration. Virtual clinics should be a considered as a more clinically appropriate modality of consultation, diagnosis and...

Emerging developments in dry eye

An estimated 344 million people worldwide suffer from dry eye [1]. This chronic syndrome is characterised by a vicious cycle of tear film hyperosmolarity, tear instability and corneal stress, leading to increased friction, inflammation, ocular surface damage and decreased visual...

What’s next in retinal imaging? Faster, deeper and full-on

Fast-evolving technological leaps are opening the way toward clinically useful ocular coherence angiography, generating 3-dimensional microvasculature maps without intravenous dye injection, as well as whole-eye imaging, handheld patient-operated optical coherence tomography (OCT) devices and, for challenging vitreoretinal procedures, integrated intraoperative...

Lessons from an unusual case of syphilis

The rise of syphilis transmission rates over the past two decades has been one of public health’s great puzzles. In the UK, the situation has reached epidemic levels, with a 126% increase between 2013 and 2018 [1]. We present a...