You searched for "Optics"

1866 results found

Life’s rich tapestry

Have you ever watched someone cross-stitch, or do needle-point? I recently had the joy of observing my teenage daughter create such an artwork. She separated all the threads into the various colours, and then started to follow the instructions carefully....

Well-presented scholarly research work will reduce chances of journal rebuttal

Submitting to an academic journal? Are you aware of the requirements and constraints of relevant copyright laws? Rod McNeil provides a guide for aspiring authors. Getting published in peer-reviewed academic and medical journals is not easy. But careful attention to...

Understanding vasoproliferative retinal tumours

Syed Irtiza Ali Shah explores this rare and unusual condition through a fascinating case presentation. Vasoproliferative tumours of the retina (VPTR) are a vascular mass with an associated exudative retinopathy alongside the presence of minimally dilated feeder vessels. This is...

Grading of ocular inflammation in uveitis: an overview

Anterior uveitis is the commonest form of uveitis, which can lead to severe morbidity if not treated appropriately [1]. Data from general ophthalmology practices suggest around 90% of uveitis encountered by comprehensive ophthalmologists is anterior uveitis [2]. Intermediate (vitreous), posterior...

A new observation point: updating the nomenclature and classification with OCT

The evolution of ophthalmic imaging technologies has been particularly rapid over the last few years. The author provides an update of the current terms for common signs and pathologies observed using optical coherence tomography. My experience as an ophthalmic technician,...

Quiz Apr/May 2023

History A 76-year-old female presented at her local district general hospital with right decreased visual acuity, glare, and foreign body sensation, in addition to longer-term dry eyes. She was otherwise well. Her past medical history included hypertension. On examination: vision...

10 daily habits damaging your eyesight and changes you can make to remedy against them

Following World Glaucoma Day on 12 March this year, it is vital that the longevity of our vision is always a priority. However, many of our daily habits contribute to the onset of glaucoma and vision loss.

Strabismus in thyroid eye disease

Pathogenesis Thyroid eye disease (TED) is an auto-immune condition, in the initial phase there is lymphocytic infiltration and oedema of the extraocular muscles with deposition of glycosaminoglycans and hyaluronic acid and adipogenesis, which can lead to an increase in the...

Time is vision in central retinal artery occlusion

Central retinal artery occlusion (CRAO) is a rare but devastating vascular episode that can have severe impact on vision. Treatment is very time-limited and needs to be initiated very quickly to salvage any vision. The majority of patients present to...

What's trending Aug/Sep 2020

Life, at least from headlines, is certainly awakening again. #DominicCummings #Specsavers #BarnardCastleeyetest In one of the bizarre developments of #coronaviruslife, Dominic Cummings, Boris Johnson’s most senior advisor, claimed he drove to Barnard Castle from Durham to test his eyesight. He...

Headset perimetry

Visual field analysers are traditionally large table mounted devices, designed specifically for field capture and analysis. Over the last year or so a number of companies have started to disrupt this space with the introduction of headset-based field analysers, mostly...

Development of retinoblastoma care in Indonesia and the role of multidisciplinary team meetings

In the second article of a two-part series (See Part 1 here), the authors focus on the diagnosis and management of retinoblastoma in Indonesia. COVID-19 doesn’t get thanked for many things, but on 19 December 2020 as the world grew...