You searched for "tomography"
LASEK with mitomycin C to correct myopia in thin corneas
This study evaluated the long-term outcomes of laser-assisted subepithelial keratomileusis (LASEK) with intraoperative use of mitomycin C (MMC) performed on thin corneas for the correction of myopia. MMC modulates the corneal wound healing response in surface healing, thus reducing the...Portable corneal topography – exploration of a prototype
Ophthalmic imaging devices, such as corneal topographers, are not widespread in the developing world. A small device that connects to a smartphone might be a solution to improve developing nation access to corneal imaging. I recently had the opportunity to...
Beware the disc in myopic patients
Glaucoma is a chronic and progressive optic neuropathy characterised by damage of retinal ganglion cells. Evaluation of structural damage of the optic nerve is important in glaucoma diagnosis. The ISNT rule states that the neuroretinal rim width is generally widest...Aug/Sep 2015 Quiz 1
History A 60-year-old woman was referred to ophthalmology with a suspected left eye choroidal naevus. Visual acuity was unaffected in both eyes and she was asymptomatic. Ocular history and medical history were unremarkable. Questions Figure 1: Fundus photograph. 1. What...
Keratoconus prevalence in astigmatic adolescents
The authors from Israel performed a cross-sectional study of 896,377 adolescents aged 16–20 years who underwent refraction and topography/tomography between 2011 and 2022. A total of 1886 (0.21%) were diagnosed with keratoconus with increasing astigmatism level being strongly associated with...
Impact of solar eclipses on vision
Solar retinopathy occurs as a result of mechanical and photochemical damage to the retina caused by exposure to excessive light. The authors presented the optical coherence tomography (OCT) and OCT-angiography findings of five patients who looked at the solar eclipse...
Normative reference values for optic nerve sheath diameter in children
The purpose of this study was to measure optic nerve sheath diameter (ONSD) in paediatric patients without pathology using brain CT performed for various reasons and to provide normal tomographic reference values. This was a retrospective study of CT scans...A day in the life of...an ophthalmic imager / an orthoptic assistant
The ophthalmic imager My role as an ophthalmic / medical photographer has evolved, dramatically, since I began my career at Manchester Royal Eye Hospital, 30 years ago. Long gone are the days of developing and hand printing fluorescein angiograms in...Clinical relevance of the anatomic classification of neovascular age-related macular degeneration
The author explains why an OCT-based classification of neovascular AMD is needed and how these neovascular subtypes may help to predict patients’ long-term visual outcome. Age-related macular degeneration (AMD) is a chronic and progressive neurodegenerative process involving the macula in...Ophthalmic Imaging: From Theory to current practice
Welcome to the 14th edition of the Ophthalmic Imaging Congress. This event, focused on Imaging and all its applications in ophthalmology, will allow us to reflect on the technological advances and the progress we have made. Program: - Theoretical Sessions:...
Evaluation of keratometry with a novel colour LED corneal topographer
The Cassini topographer (i-Optics), which analyses corneal shape based on the reconstruction of specular reflections on 679 coloured LEDs, generates keratometry and is the new machine being compared in this study with other keratometry devices. The prospective comparative study included...
