You searched for "pigment"

3177 results found

Uveal melanoma

Uveal melanoma is the most common primary intraocular tumour. However, they are still rare, with an incidence of 2-8 per million [1]. The presence of a choroidal naevus is a risk factor for uveal melanoma [1]. Patients with choroidal lesions...

Traumatic ‘toy’ gun injury leading to permanent vision loss

Pseudoxanthoma elasticum (PXE) is a progressive, inherited disorder of connective tissue that affects the skin, cardiovascular system and retina. Ocular manifestations of the disease are related to Bruch’s membrane, a thin elastic tissue layer located between the retinal pigment epithelium...

Importing iron to the retina

In the retina, iron is particularly critical for the visual phototransduction cascade. In the retinal pigment epithelium (RPE), RPE65 activity leads to 11-cis-retinaldehyde, the photosensitive component of rhodopsin production and iron containing enzymes are necessary for disc replacement in photoreceptor...

Nicotine accelerates diabetes induced retinal changes

This study investigated the influence of nicotine in an experimentally induced diabetic rat model. They used non-invasive high-resolution spectral domain optical coherence tomography (SD-OCT) imaging to provide quantitative information on the temporal alterations of retinal structures at the micrometer resolution...

RPE atrophy onset in treated nAMD

In this study the authors aim to evaluate the role of various factors for the development of retinal pigment epithelium (RPE) atrophy over a period of five years in patients with nAMD. Fifty-two newly diagnosed nAMD patients with complete absence...

Results of fixed aflibercept treatment regime in type 3 neovascularisation

In this prospective study the authors evaluate the effect of intravitreal aflibercept injections in the treatment of naive type 3 neovascularisation using a fixed treatment regime. Fourteen eyes of 14 patients were studied. All patients were treated with intravitreal 2.0...

Type 3 macular neovascularisation (MNV) due to age-related macular degeneration

This paper systematically reviews and summarises the current knowledge on type 3 neovascularisation due to age-related macular degeneration which is defined as neovascularisation originating from the retinal deep capillary plexus that grows towards the outer retina often penetrating the level...

Outcomes in intermediate age-related macular degeneration (AMD): A MACUSTAR study report

Intermediate AMD (iAMD) is the most high-risk AMD stage for progressing to late AMD. This article gives the report of the MACUSTAR study. A wide range of assessments were conducted across 20 sites in seven European countries, in accordance with...

What's trending Dec/Jan 2024

A round-up of the eye-related hot topics that have been trending on social media over the last few weeks. #eyepatch #memes German chancellor Olaf Scholz shared a photo of himself on X (formerly Twitter) sporting a black eye patch after...

Laser pointer maculopathy

The objective of this study was to describe the potential clinical presentations of retinal pathology resulting from exposure to laser pointers. The study included eight eyes of seven patients. Mean age was 18.7 years (12-36). Most were accidental self-inflicted while...

Tumour deposits following choroidal melanoma treatment

The authors present the unique case of retinoinvasive melanoma following treatment of choroidal melanoma with brachytherapy. Uveal melanoma, the commonest intraocular malignancy in adults, presents as a pigmented mass in the choroid, ciliary body, or iris. A 79-year-old Caucasian male...

College comments on the DHSC’s update on GOS sight test fees for England and clinical placement training payments for 2025/2026

This week, the Department of Health and Social Care published details of its confirmed NHS sight test fee and NHS domiciliary fees from 1 April 2025, continuing professional development payments for 2024, and clinical placement training payments from 1 April...