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Pentacam vs. IOL Master keratometry measurement in IOL power calculations

The IOL Master measures only the anterior corneal curvature and estimates the total corneal power by assuming a fixed relationship between the anterior and posterior corneal surface. The Pentacam measures both the anterior and posterior corneal surface and therefore calculates...

The approach to trabeculectomy postoperative complications

Performing a trabeculectomy is like giving birth to a baby. It may be traumatic and there is scope for devastating error but once the operation is completed only then does the real work begin. The bleb must be nurtured into...

Scotland's Bottle Deposit Return Scheme – have visually impaired people even been considered?

Sight Scotland and Sight Scotland Veterans have welcomed the delay to the Bottle Deposit Return Scheme and are urging the Scottish Government to use this time to consider the implications it will have for visually impaired people.

Mobile phone use with esotropia development

This study analysed clinical characteristics and surgical outcomes in patients with acquired comitant esotropia (ACET) and determined the prevalence of excessive mobile touch screen device use in these patients. This was a retrospective study of 35 patients of which three...

Eyelash hair transplantation with strip composite eyebrow graft

In this article, the authors present results of eyelash transplantation with a strip composite eyebrow graft in 22 patients who underwent eyelid reconstruction with tarsoconjunctival flap procedure. The flap was divided at six weeks. The recipient pocket was created by...

Orbital manifestations of granulomatosis with polyangitis

This a retrospective, observational study where authors looked at the ophthalmological examination, biopsy, antibodies and CT scan results of all patients diagnosed with granulomatosis with polyangitis (GPA) from January 2007-January 2019. Out of 101 patients with diagnosis of GPA, 15...

Binocular summation with low contrast

The magnitude of binocular summation was investigated in normal control subjects using four different letter charts of varying type with fixed and variable contrast levels and spatial frequency to determine which tests most readily reveal binocular summation in normal subjects....

Strabismus and binocular summation

The authors conducted a pilot study to investigate the effect of visual noise or background complexity on binocular summation in patients with strabismus. A target embedded in pixel noise was used. The study involved performance of a task detecting a...

Reported cases of hemifield slide phenomenon

This article reports three cases of hemifield slide, a phenomenon whereby there is an inability to stabilise and fuse visual hemifields. It occurs with heteronymous visual field loss and is thought to result from the loss of corresponding retinal points....

Thyroid recession drift

The authors investigated patients with thyroid ophthalmopathy (TO) who underwent unilateral inferior rectus recession for hypotropia with or without adjustable sutures to determine extent of postoperative surgical alignment. Group A comprised 13 TO patients with inferior rectus recession with adjustable...

The tragedy of the commons

I am a big fan of the YouTube channel Extra Credits History, in which interesting historic events are explained in breathtakingly simple detail in 10 animated videos. I have watched every episode, including the ‘Early Christian Schisms’ and ‘The South...

Simulation in ophthalmology: a pedagogic viewpoint

The advent of simulation technology has enhanced modern medical training. The first utilisation of simulation was in 1929 where Edward Link used this concept to develop a mechanical flight simulator [1]. Industries such as aviation, nuclear power and the military...