You searched for "occlusion"

1338 results found

The impact of collagen crosslinking on keratoplasty numbers in keratoconics

A question of corneal cross-linking (CXL) reducing keratoplasty numbers in keratoconics was addressed in this single centre observational study from the Oslo University Hospital – a sole provider of keratoplasties and CXL for a population of 2.8 million. Authors compared...

Prediction of visual outcome in IIH

In this prospective study, visual outcome of 40 patients with idiopathic intracranial hypertension (IIH) was compared with clinical and neuro-ophthalmic parameters. The purpose of this was to determine any correlation to try and predict visual outcome for IIH patients. Parameters...

Carcinoid tumours

This is a retrospective review of 28 patients with carcinoid tumours affecting the orbit. The mean age at presentation of the orbital involvement was 62 years, with a slight female preponderance, and 21% had carcinoid syndrome. Proptosis and diplopia were...

Hughes flap for lower lid retraction

This is a retrospective case series looking at the use of Hughes flap for cicatricial lower lid retraction. Fourteen patients were identified across five different hospitals with varying aetiologies ranging from previous lid lesion excision and reconstruction to trauma. The...

Autologous scleral button for anterior defect in evisceration surgery

This is a small case series of five patients who have had evisceration surgery using a new technique. The anterior defect created when removing the corneal button has been closed by taking an autologous posterior scleral graft inferomedial to the...

New grading description for ROP retinal changes for those meeting termination of vision screening guidelines

This study reports and characterises residual retinal changes seen in eyes that meet criteria for termination of acute retinal screening exams. A novel grading system was used in which retinal exams were graded A to E. ‘A’ was defined as...

FAQs about cerebral visual impairment (CVI): identifying and helping those affected

Cerebral visual impairment is common in both adults and children, yet the diagnosis can easily be missed unless one is tuned into the presenting features. This article provides a succinct introduction to this important topic. What is vision? Vision is...

Coming to terms with AI

A machine might be called intelligent if its response to questions could convince a person that it was human, a test proposed by Alan Turing in 1950 [1]. The author considers potential applications of artificial intelligence (AI) using machine learning...

Blind gaming group levels up at five years

A community of gamers with sight loss from across Scotland and Northern Ireland says its network is thriving as it marks its fifth anniversary. Formed during the pandemic lockdown in November 2020, as part of RNIB’s community work, the group...

SOS (Simplified Ophthalmic Statistics) Part 3: Which statistical test should I use (if any)?

P<0.05 is a statement that brings joy to many researchers. Arguably this is because inclusion of such a statement may increase the chance of acceptance for publication. Whilst statisticians and non-statisticians are united in trying to change this culture, cultural...

The results of the last survey Feb25

*Please be aware that this data does not form part of a peer reviewed research study. The information therein should not be relied upon for clinical purposes but instead used as a guide for clinical practice and reflection. The sample...

Paediatric ptosis

Manoj Parulekar and colleagues provide a comprehensive overview of the diagnosis, assessment and management of childhood ptosis. Blepharoptosis (commonly referred to as ptosis – Greek, πτῶσις, ‘to fall’) is a condition where the upper eyelid is in an abnormally low...