You searched for "Optics"

1954 results found

The Duke-Elder exam: A medical student’s head start into ophthalmology

The Duke-Elder exam is a specialist ophthalmology exam intended for medical students to sit during medical school. It is named after Sir Stewart Duke-Elder, a pioneering Scottish ophthalmologist who was active in the first half of the 20th Century by...

Passing the Refraction Certificate as a Foundation doctor

Application for ophthalmic specialist training (OST) is competitive. This means you should consider making every effort to maximise your portfolio points, as it may have a significant contribution to your OST application ranking. The “Commitment to Specialty” section is the...

Study to slow short-sightedness in young adults

The University of Bradford is spearheading a study into the progression of short-sightedness among young adults, aiming to tackle one of the fastest-growing global eye health challenges. The research on short-sightedness, also known as myopia, among people aged in their...

Is it NAION… Now what?

Case presentation We present the case and discussion of a 46-year-old Caucasian male who complained of immediate reduced vision following complicated neck dissection including a total laryngopharyngectomy, free flap reconstruction for a T4N3 squamous cell carcinoma (SCC) of the left...

A simple technique for managing eyelid retraction in a patient with an exposed Boston type 2 keratoprosthesis (Kpro)

The article describes a patient with mucous membrane pemphigoid and a Boston type 2 Kpro. In the early postoperative period (one week) inferior skin retraction was noted with exposure of the Kpro and carrier cornea. The exposure was managed by...

An elective in the land down under

My clinical elective was spent at the Royal Victorian Eye and Ear Hospital (RVEEH) in Melbourne. As Australia’s only specialist tertiary hospital dedicated entirely to eye disease, RVEEH gave me significant exposure to, and enhanced my clinical understanding of, ophthalmology....

RTP801 as a neuroprotective and axon regenerative treatment

This paper describes the neuroprotective and axon regenerative effects of siRTP801, which is a translatable small-interfering RNA (siRNA) targeting mTOR negative regulator; RTP801, through in-vivo and in-vitro models. In-vivo studies involved an optic nerve crush rat model with intravitreal injections...

Rare presentation of giant cell arteritis in Chinese subjects

Only a few case reports of biopsy-proven GCA (BpGCA)-associated vision loss in Chinese subjects have been published. This paper presents three elderly Chinese subjects with BpGCA who presented with vision loss. A search of the literature was also conducted to...

Is virtual reality perimetry as reliable as static perimetry in detecting neurological visual field loss?

This study compares agreement between virtual reality perimetry (VRP) and static automated perimetry (SAP) in a variety of neuro-ophthalmological conditions. For this work the Order of Magnitude (OM) VR-based visual field assessment system was used which has been developed by...

Thinking about purchasing your first Volk lens or looking to expand your collection?

Sister companies Altomed and Mid-Optic are proud to be official Volk distributors. With over 40 years of experience, our expert team can offer personalised guidance to help you choose the right lens for you. In addition, when you buy from...

Understanding spaceflight-associated neuro-ocular syndrome (SANS): what do we know?

Introduction Formerly known as visual impairment and intracranial pressure syndrome (VIIP), space-related neuro-ocular syndrome (SANS) is defined by a collection of ophthalmic and neurological findings in astronauts after long-term spaceflight [1]. Changes in the eyeball, such as hyperopic shift, during...

A clinical review of optic neuropathy associated with amiodarone

The authors present a clinical overview of the occurrence of visual loss secondary to optic neuropathy associated with the use of the antiarrhythmic agent amiodarone. Amiodarone is prescribed for the management of atrial fibrillation and ventricular tachycardia / fibrillation. However,...