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Test retest values for TNO, Frisby, Lang stereopad and Asteroid stereoacuity tests

This study aimed to determine test-retest variability of four different measurements of stereoacuity including TNO, Frisby, Lang stereopad and Asteroid, and compare stereoacuity values between tests in an adult population. Participants were >18 years of age (mean 38 years, SD...

Infantile nystagmus syndrome and use of genetic testing

This review aimed to assess the clinical utility of genetic testing for individuals with infantile nystagmus syndrome. The authors define infantile nystagmus syndrome as having an onset before six months of age, binocular and conjugate. The literature search was conducted...

Should we work together to identify congenital nasolacrimal duct obstruction and otitis media?

The authors present a retrospective medical notes review. The aim of the study was to establish how common tympanostomy tube (T-tube) insertion is in children needing probe and intubation (P&I) for congenital nasolacrimal duct obstruction (CNLDO). All cases of CNLDO...

Impact of solar eclipses on vision

Solar retinopathy occurs as a result of mechanical and photochemical damage to the retina caused by exposure to excessive light. The authors presented the optical coherence tomography (OCT) and OCT-angiography findings of five patients who looked at the solar eclipse...

Macular choroidal changes after inferior oblique muscle surgery

This study was undertaken to investigate the retinal neurovasculature, choroidal thickness and choroidal vascular index (CVI) changes at the macula at one week, one- and three-month intervals post inferior oblique muscle myectomy. The hypothesis was that, given the close proximity...

The effect of orbital decompression on upper eyelid retraction

This is a systematic review and meta-analysis on whether there is a change in upper lid retraction following orbital decompression. Traditional teaching states that the order of surgery for thyroid eye disease should be decompression firstly, followed by squint surgery...

Congenital nasolacrimal duct obstruction in patients with craniofacial abnormalities

This is a retrospective study including 1998 patients over a period of 10 years. Of this number, 41 patients were identified as having a craniofacial abnormality and congenital nasolacrimal duct obstruction (CNLDO) (23.1 per 10,000 live births). Interestingly the most...

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....

Understanding optic nerve head pericytes and glaucoma

The authors provide a comprehensive review of the current understanding of pericytes in the optic nerve head (ONH). Key points include: (1) Pericytes are contractile mural cells that play crucial roles in regulating blood flow, maintaining the blood-brain / blood-retinal...

Brexit, for richer, for poorer: prospects for post-withdrawal Britain

The people of the United Kingdom voted by 52% to 48% to leave the European Union (EU) in June 2016, a referendum decision intended by a slim majority to restore national self-determination and achieve what many believed to be a...

The curse of the college museum

David Greig lecture notebook. Courtesy of Dr Jacqueline Cahif, College Archivist, Royal College of Surgeons of Edinburgh. As sure as the inevitability of death and taxes, the hidden stories of past events will intermittently rise to the surface like oil...

Identifying life-threatening uveal melanoma: A directed application of general-purpose AI

Uveal melanoma (UM) is a rare but aggressive eye cancer, affecting approximately six people per million annually [1]. Uveal melanoma arises in three locations: the choroid, ciliary body, and iris. As the most common primary intraocular malignancy in adults, UM...