You searched for "Optics"

1992 results found

Medial rectus anatomy in exotropia

This study investigates the differences between extraocular muscles in patients with intermittent exotropia and normal controls regarding muscle fibre arrangement and diameter, and distribution and activation of satellite cells. Fifteen patients were recruited having medial rectus resection surgery. Resection sections...

Does lower eyelid entropion repair alter corneal topography?

The authors aimed to analyse the corneal morphology before and after advancement of posterior lower eyelid retractors (LERs) alone or in combination with a lateral tarsal strip (LTS) for lower eyelid involutional entropion. Retrospective analysis of 24 consecutive elderly patients...

Treatment and outcomes for Peters anomaly (PA)

The purpose of this study was to evaluate the experience of patients with Peters anomaly (PA) and their treatment results. The study reviewed records of 27 patients (32 eyes); 74% male. Treatment included medical follow-up, optical iridectomy and penetrating keratoplasty...

Progression of macular atrophy on long-term anti-VEGF therapy for AMD

This retrospective study evaluated the progression of macular atrophy in 53 eyes of 53 patients receiving AntiVEGF Therapy for age-related macular degeneration (nAMD), for at least six years. None of the patients had any macular atrophy (MA) at presentation. MA...

Microsporidia-induced stromal keratitis: a new cause of presumed immune stromal (interstitial) keratitis

This is a non-comparative retrospective observational case series from India from 1 October 2020 to 31 January 2021. The inclusion criteria were: (1) presence of nummular / coin shaped lesions with at least one >2mm in size and / presence...

Comparison of structural and functional features in primary angle closure and open-angle glaucoma

In this large cross-sectional study, differences in structural and functional damage were assessed among patients with primary open-angle glaucoma (POAG) and primary angle closure glaucoma (PACG) with optical coherence tomography and reliable visual field testing. Two-hundred and eighty-three patients with...

Tumour characteristics influencing visual field outcomes

This retrospective study aimed to explore correlations between pituitary tumour characteristics which influenced visual field changes. Cases of transsphenoidal surgery from a six-year period resulting in a pathologic diagnosis of pituitary adenoma from a single centre were identified. Individuals were...

Management of traumatic corneal perforations with anterior lamellar techniques: The mini-DSAEK

The authors present the first case report in which a mini (reduced diameter) Descemet’s stripping automated endothelial keratoplasty (mini-DSAEK) has been used to manage a traumatic corneal perforation. A 69-year-old male presented with 6/36 best spectacle-corrected visual acuity (BSCVA) and...

Comparing retinal thickness in Parkinson’s disease, essential tremor and healthy controls

This study aimed to compare retinal findings in chronic essential tremor (ET), early Parkinson’s disease (PD) and healthy controls. Those recruited with ET had to have received a diagnosis a minimum of three years previous and those with PD had...

Buy Tonosafe directly from Haag-Streit UK

Earlier this year Haag-Streit UK announced that it would no longer be working with NHS supply chain. In order to provide a more flexible and transparent procurement process, products, including Tonosafe disposable prisms, are now being supplied directly to NHS...

Mainline Instruments at 100%

Visit Mainline Instruments at STAND J20 during 100% Optical 2026 for an exciting programme of interactive workshops and expert-led lectures on the latest eye care innovations. Highlights include Ultra-Widefield Confocal Imaging, Dry Eye assessment, Tomography, and more. Don’t miss our...

Opening the AI ‘black box’ for glaucoma

Artificial intelligence (AI) models show great promise for glaucoma detection using retinal images, but their ‘black box’ nature is a major barrier to clinical adoption. Clinicians are often hesitant to trust a diagnosis without understanding its reasoning. This paper provides...