You searched for "visual acuity"

106 results found

OCT changes in chronic optic neuropathy

The authors evaluated optical coherence tomography (OCT) angiography in 10 patients who suffered various types of chronic optic neuropathies. Glaucoma is known to cause a decrease in peripapillary perfused capillary density on OCT angiography. However, other optic neuropathies have not...

Control of bleeding with diabetic vitrectomy under air

The authors describe a modified diabetic vitrectomy using continuous air infusion in diabetic eyes with severe fibrovascular proliferation. In their case series of 25 eyes (20 patients), intravitreal bevacizumab (1.25mg) was used one week prior to surgery. Fifteen eyes had...

Dacryoendoscopy in congenital nasolacrimal duct obstruction

This retrospective study demonstrates the role of dacryoendoscopy to identify causes of failed lacrimal probing in congenital nasolacrimal duct obstruction (CNLDO). Dacryoendoscopy was carried out in 13 children with refractory CNLDO. The lacrimal pathway was examined from puncta to the...

Detecting muscle insertion position by ultrasound

The purpose of this study was to investigate the accuracy to locate muscle insertion positions before and after strabismus surgery using wide-field ultrasound biomicroscopy with the bag / balloon technique. Thirty-nine muscles of 22 adult patients aged 34.7 ±15.5 years...

A novel approach to suprachoroidal haemorrhage drainage

The authors describe a novel surgical technique for external drainage of choroidal detachment / suprachoroidal haemorrhage with a butterfly needle. Six eyes with serous and / or haemorrhagic choroidal detachments (five from complicated cataract surgery with vitreous loss, one globe...

Computer-assisted surgery in the orbit

In this paper the authors describe the growing use of computer-assisted surgery in ophthalmology. It is already described as a powerful adjunct in neurosurgery and sinus surgery and here they describe their experience of using it for the orbit; specifically...

How the thinking machine is transforming the retinal landscape

Regulatory approval of the first two therapeutic substances for the management of geographic atrophy (GA) secondary to age-related macular degeneration has been a major breakthrough. The authors explored the issue surrounding the lack of agreed therapeutic standards and diagnostic tools...

3D modelling of orbital measurements to develop and education resource for orbital pulleys

In this study, 3D modelling software was used to visualise the orbital pulleys and create educational content to facilitate visual understanding of this system. Input of measures were from published data on quantitative anatomy of the globe and extraocular muscles...

Corneal hysteresis: An emerging biomarker in the management of glaucoma

Corneal hysteresis (CH) is gaining recognition as a valuable parameter in the management of glaucoma. Corneal hysteresis is defined as the difference between the inward and outward pressure responses of the cornea during deformation. This measurement reflects the viscoelastic properties...

Retinal structural features of CMV retinitis

Confocal adaptive optics (AO) technology has enabled cellular level retinal imaging, including imaging of photoreceptors and blood flow. Adaptive optics scanning laser ophthalmoscopy (AOSLO) is a technology that provides high resolution and high contrast retinal images by correcting ocular aberrations....

Direct endoscopic probing for congenital lacrimal duct obstruction

The most common treatment for congenital lacrimal duct obstruction (CLDO) is probing, which is traditionally a blind procedure. Previous literature reports success rates between 78-92%. The authors of this retrospective non comparative case series reviewed the success rates of probing...

Comparison of treatment regimes for APROP

The authors evaluated the risk factors and treatment outcomes of various treatment options for APROP including intra-vitreal anti-VEGF injections, laser treatment and a combination of both. This was an observational study of all consecutive cases of untreated APROP from 2018-19...