You searched for "retina"

1296 results found

Bionic eyes: deciphering the neural circuitry of vision restoration

As the boundaries between technology and biology blur, retinal prosthetics, often dubbed ‘bionic eyes’, present a ground-breaking paradigm shift in addressing blindness. This article delves into the captivating scientific intricacies of these neural interfaces, exploring their mechanisms of action, current...

Histopathological changes in rabbit retinitis pigmentosa

The authors report the histopathological changes of retinal ganglion cells (RGCs), optic disc and optic nerve in rabbit with advanced retinitis pigmentosa (RP). RP was recreated in rabbits by using bacterial artificial chromosome transgenesis, with the purpose of increasing understanding...

Optos announces new ultra-widefield colour image modality, providing additional retinal visualisation to eyecare professionals

Optos, Plc, the leading retinal imaging company, announces it is expanding the optomap® ultra-widefield (UWF™) retinal imaging modalities available with the California FA device to further assist eyecare professionals in disease management and treatment planning.

Retinal blood flow changes in glaucoma

This study examined the changes in retinal blood flow and vessel diameter after IOP reduction in high- and low-pressure glaucoma; exfoliation glaucoma (ExG) and normal-tension glaucoma (NTG). Glaucoma progression is seen at times in eyes despite IOP reduction and changes...

An update on inherited retinal disorders (part 2): Approaches to therapy for IRDs

Part 1 of this topic can be found here There are currently no proven cures for inherited retinal disease (IRD). However, multiple avenues of research are being investigated to better understand disease mechanisms and trial potential therapies that may slow...

Age-related macular degeneration

This review article offers an up to date review of the genetic and environmental risk factors associated with aetiology surrounding age-related macular degeneration (AMD). The article briefly describes the typical clinical presentation relating to early and late stages of the...

Light reflex in preterm infants

In this study, the pupillary size and light reflex was examined in premature infants using infrared video-pupillography and stimuli of red and blue light. Only eyes of infants without retinopathy of prematurity were included in the study. Pupillary light reflexes...

Registration live for 100% Ophthalmology 2025

Organisers of 100% Optical have announced that visitor registrations for 100% Ophthalmology 2025 are now live for the show set to take place at London’s ExCeL from 1–3 March. Featuring as a co-located event with 100% Optical, 100% Ophthalmology, a...

The challenge of chorioretinal folds in virtual eye clinics

Chorioretinal or choroidal folds are parallel striations involving the retina, retinal pigment epithelium (RPE), Bruch’s membrane, and inner choroid [1]. They can arise from compressive stress on these layers, and their presence often serves as a diagnostic marker for underlying...

Somatostatin protects retinal pericytes

Diabetic retinopathy (DR) is a complication of diabetes, caused by high blood sugar levels damaging the retinal microvasculature. Mechanisms, such as oxidative stress and deposition of advanced glycation end products, leads to glial cell activation and neuronal apoptosis. Pericytes, contractile...

What's trending Dec/Jan 2023

A round-up of the eye related hot topics that have been trending on social media over the last few weeks. #frightnight #halloween #protectyoureyes The Royal College of Optometrists advised the public against wearing novelty contact lenses this Halloween. In a...

Management of diabetic macular oedema (DMO)

The authors present guidelines on current diagnostic and therapeutic procedures in the management of DMO. Fluorescein angiography (FA) and optical coherence tomography (OCT) are recommended before starting treatment to help diagnose and stage DMO, and can be repeated if there...