You searched for "optical"
Prediction errors of formulas in optical biometers
This study was conducted retrospectively in a private practice setting. Nine formulas were compared for prediction error (postoperative spherical equivalent (SE) minus, predicted SE calculated by each formula), using two optical biometers (Lenstar – optical low coherence reflectometry (OLCR) and...
Optical Coherence Tomography: A Clinical and Technical Update
This book is a comprehensive review of the clinical and scientific aspects of optical coherence tomography (OCT). The 255 pages are divided into 11 chapters, each written by a different group of authors. Part I provides viewpoints on the clinical...
Optical coherence tomography in patients exposed to vigabatrin
Vigabatrin is used to treat epilepsy and can lead to increased levels of gamma-aminobutyric acid (GABA) in the brain and in the retina leading to binasal visual field defects. Although not the first line of treatment for adults it is...Optical bodies band together in name of sustainability
A group of key optical bodies representing practitioners, practice owners and suppliers has come together to release a statement of intent with aims for the professions and industry in terms of long term environmental sustainability. Harjit Sandhu, Managing Director at...Optical coherence tomography – reinventing the eye examination
It has been 25 years since Huang et al. presented the first optical coherence tomography (OCT) images in Science [1]. With vast improvements in OCT technology over the years, it is now possible to acquire high-resolution cross-sectional images of the...
Atlas Optical Coherence Tomography of Macular Diseases and Glaucoma
The book is divided into three sections: an introduction to optical coherence tomography (OCT), the OCT in macular diseases, and glaucoma. The first section lists the currently commercially available OCT machines, then describes the techniques for acquiring OCT images using...
Optical quality difference between monofocal and multifocal intraocular lenses
It is well known that multifocal intraocular lenses (IOLs) can generate more than one focus to restore distance and near vision, but patients may experience adverse optical phenomena such as decreased contrast sensitivity and induced glare or halos. The authors...
Visual outcomes, visual fields and optical coherence tomography in paediatric craniopharyngioma
This study reviews the visual outcomes of ten patients under the age of 18 years with craniopharyngioma. The paper also reviews the correlation between visual field (VF) testing and optical coherence tomography (OCT) examination and evaluates the role of OCT...The refractive index in the eye lens – implications for clinical practice and optical design
The eye may appear to be a comparatively simple organ and yet its optical system is complex and continues to be a source of investigation and research. The major optical elements are considered to be the cornea and the lens...
Using optical coherence tomography angiography to detect MoyaMoya vasculopathy
Moyamoya (MM) disease is a chronic cerebrovascular disease that can lead to progressive stenosis of the terminal portions of the internal carotid arteries and their proximal branches. The authors carried out a cross-sectional cohort study to investigate vascular changes in...
