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A comparison of light sources in retinal imaging

Before starting to talk about the light sources present in retinal imaging, it is necessary to start from the base: the light. Light is an electromagnetic wave whose smallest part is the photon (or quantum of light). A high frequency...

Microsporidia-induced stromal keratitis: a new cause of presumed immune stromal (interstitial) keratitis

This is a non-comparative retrospective observational case series from India from 1 October 2020 to 31 January 2021. The inclusion criteria were: (1) presence of nummular / coin shaped lesions with at least one >2mm in size and / presence...

Pupil abnormalities after orbital surgery

This is a retrospective review of 287 patients who underwent removal of an orbital cavernous haemangioma (cavernous venous malformation), to ascertain the incidence of surgically induced pupillary abnormalities. Forty-four patients had lesions removed from the anterior or extraconal orbit, none...

An unusual presentation of dysthyroid orbitopathy

The authors present a case of a 50-year-old male smoker who presented with bilateral gaze evoked amaurosis (GEA), i.e. the patient was aware of loss of vision in all gaze positions other than the primary position. The patient was being...

Review of efficacy and safety of tetracaine drops in strabismus surgery

Tetracaine is a topical anaesthetic drug used to anesthetise the eye and surrounding areas during strabismus surgery. It is generally safe and well tolerated but can cause mild adverse reactions at the site of use and, in rare cases, serious...

Pigmented paravenous retinochoroidal atrophy

Presentation A 46-year-old Caucasian female was referred to the eye clinic by her local optician following a routine sight test. She was noted to have pigmentary retinal changes in both eyes but was asymptomatic with no visual complaints. At presentation...

Van Herick Plus

This a consecutive cross-sectional study of 95 phakic patients over the age of 40-years-old. By applying a short, vertical slit beam, the inferior angle at the scleral-limbal junction at 6 o’clock position was evaluated, photographed and assessed by a ratio...

Optometry Today’s new essential guide for myopia management

Optometry Today (OT) has published the second edition of its myopia management guide.

Melanocytoma of the optic disc

Melanocytoma is a heavily pigmented lesion, composed of melanocytes and is a variant of melanocytic naevus. It classically occurs at the optic disc and is usually benign, static and asymptomatic. However, it can occasionally grow and invade the retina or...

Resveratrol protects against steroid induced intraocular pressure

Topical and systemic steroid delivery is a very effective treatment for many ocular conditions but is compromised by raised intraocular pressure which in turn leads to death of retinal ganglion cells and irreversible blindness. This is an important consideration with...

Can retinal layer thickness predict the progression of disability in MS?

This is an observational retrospective cohort study presenting the data of 188 patient diagnoses with multiple sclerosis at two specialist centres. All included patients were adults below the age of 70 years, stable on their disease modifying treatment for at...

Sub-clinical detection methods in multiple sclerosis

Visually symptomatic multiple sclerosis (MS) provides only part of the required information to assist in understanding the disease. Recently, researchers have concentrated their efforts on diagnosing MS cases in the subclinical period. The aim of this paper was to assess...