You searched for "pupillary"

251 results found

Migraine attack: does retinal and peripapillary blood flow change?

This prospective clinical study compared retinal and peripapillary blood flow parameters in migraine patients during an attack with healthy controls using optical coherence tomography angiography (OCTA). OCTAs were performed on 52 eyes from 26 migraine sufferers and 48 eyes from...

OCT angiography metrics in children

This prospective study aimed to quantify the vessel density of both the macular and optic nerve and foveal avascular zone (FAZ) values in 92 normal eyes of 92 children (42 boys, 50 girls) aged 13.4 ±2.65 years (seven to 18)....

Embryology in clinical practice

The fascinating world of embryology is both beautiful and practical. It is a home video of our evolutionary history through the ages from the single cell through to the life aquatic, the development of gut, limbs and brain, and most...

Herpes zoster ophthalmicus: a clinician’s perspective

Introduction Herpes zoster, commonly known as shingles, is caused by the reactivation of varicella zoster virus (VZV). The term herpes is derived from a Greek work, herpein, which means ‘creeping’ and the word zoster means a belt or a girdle...

Paraneoplastic optic neuropathy features

This is a retrospective review of seven patients diagnosed with paraneoplastic optic neuropathy (PON) between January 2015 and June 2017. Five patients had a history of primary malignancy, including papillary thyroid carcinoma, type B thymoma, testicular seminoma and lung carcinoma....

Cavernous sinus thrombosis and orbital cellulitis

This is a report of six cases of combined orbital cellulitis and infective cavernous sinus thrombosis, with a literature review. The average age was 39 years, four were male and two were intravenous drug users. All had sinusitis, usually involving...

Orbital sphenoid sinus trauma: a rare trauma case

With a high complication and mortality rate, intra-sphenoidal and transorbital trauma poses a high complication rate and remains challenging to manage. Numerous key structures run nearby such as: the optic nerve, internal carotid arteries and ophthalmic arteries. The authors present...

Unique case of steroid-induced intraocular pressure spike causing NAION

The literature describes previous cases of nonarteritic anterior ischaemic optic neuropathy (NAION) following rapid rises in intraocular pressure (IOP) leading to reduced optic nerve head perfusion and disruption. This is commonly following ophthalmic procedures, acute glaucoma or steroid eye drops....

HS-UK announces the launch of the MR Q and MR Q supine YAG laser systems in the UK

Haag-Streit UK (HS-UK), is pleased to announce the launch of the Meridian MR Q and MR Q supine YAG lasers in the UK.

How common are ocular motor cranial nerve palsies following TBI?

This retrospective cohort study aimed to report the incidence of ocular cranial nerve palsy as a result of traumatic brain injury (TBI). Patients were identified using an insurance database using codes from the International Classification of Disease 9th and 10th...

Changes in Japanese eyes after laser peripheral iridotomy

The aim of this study was to evaluate laser peripheral iridotomy (LPI) induced changes in anterior segment parameters, using the anterior segment optical coherence tomography (ASOCT). Seventy-two subjects of Japanese ethnicity with primary angle closure suspect (PACS), primary angle closure...

Complications of orbital cavernous venous malformation excision

This is a review of 290 patients who underwent excision of orbital cavernous venous malformations (OCVM) between 1970 and 2021, looking to identify the risk factors for a poor visual outcome following surgery. Intraconal lesions were classified as Group I,...