|
|
510(k) |
pre‑marketing process under section 510(k) of the US Federal Food, Drug and Cosmetic Act whereby manufacturers notify the FDA of their intent to market a medical device
|
|
|
age‑related macular degeneration or AMD |
eye disease that progressively destroys the macula; AMD is the leading cause of severe vision loss in people over 50 in the Western world
|
|
|
angiographic |
diagnostic test in which dye is injected and an image created to determine the blood flow in an area
|
|
|
binocular indirect ophthalmoscope or BIO |
an instrument designed to visualise the interior of the eye, with the instrument at arm’s length from the subject’s eye and the observer viewing an inverted image through a convex lens located between patient and instrument
|
|
|
CE |
Conformité Européene, a product marking applying to products regulated by the European Commission’s health, safety and environmental protection legislation, which indicates that a manufacturer has conformed with all the obligations required and is allowed to freely distribute the product
|
|
|
choroid |
a collection of blood vessels in the rear of the eye which feed the retinal sensory layer with nutrients and oxygen
|
|
|
diabetes |
a chronic health condition where the body is unable to produce insulin and break down glucose in the blood
|
|
|
diabetic retinopathy |
a consequence of unmanaged blood sugar levels in a person with diabetes whereby the retinal blood vessels are damaged causing destruction of the retina itself
|
|
|
direct ophthalmoscope |
an ophthalmoscope that produces an upright, or unreversed, image of approximately 15 times magnification
|
|
|
ellipsoidal mirror |
a reflecting surface formed to the shape of a concave three dimensional ellipse that has the property of two focal points
|
|
|
FDA |
US Food and Drug Administration
|
|
|
fluorescein angiography |
a procedure allowing the blood vessels at the back of the eye to be photographed as a fluorescent dye is injected into the patient’s bloodstream
|
|
|
fundus |
the interior posterior surface of the eyeball which includes the retina and the macula
|
|
|
fundus camera |
conventional device derived from practitioner photography that is used to photograph small areas of the fundus
|
|
|
glaucoma |
disorder of the eye, characterised by increased pressure within the eyeball, resulting in damage to the optic nerve and retinal nerve fibres with resulting loss of vision
|
|
|
macula |
highly sensitive part of the retina responsible for detailed central vision
|
|
|
ophthalmologist |
a medically qualified specialist of eye surgery and pathology
|
|
|
ophthalmoscope |
an instrument for examining the interior structure of the eye, especially the retina
|
|
|
optician |
a professional in respect of which these are two variants: dispensing optician – a provider of glasses and contact lenses; ophthalmic optician – a person qualified to perform eye examinations and prescribe eye wear
|
|
|
optometrist |
a primary level eye care provider who performs eye examinations and prescribes eye wear
|
|
|
Panoramic200 |
the Panoramic200 Scanning Laser Ophthalmoscope supplied by Optos that delivers the optomap® Retinal Examination
|
|
|
pathology |
the manifestations of disease
|
|
|
posterior pole |
the rear hemisphere from the central vertical equator of the eye
|
|
|
primary level care |
the point in the health care system that is responsible for the detection of health problems
|
|
|
retina |
light sensitive nerve tissue in the eye that coverts light into electrical impulses for transmission to the brain via the retinal nerve fibre layer and the optic nerve
|
|
|
retinal detachment |
separation of the retina from its attachments to the back of the eyeball
|
|
|
scanning laser ophthalmoscopes |
a device that uses reflected laser light scanned into the eye analyse the retina
|
|
|
secondary level care |
that part of the health care system that diagnoses health problems and is often (but not always) concerned with defining treatment plans
|
|
|
single image capture |
a term used by Optos to discriminate a single retinal image (optomap) from a sequence of retinal images used for instance in fluorescein angiography (optomap® fa)
|
|
|
slit lamp biomiscroscope |
an instrument that combines a microscope with special lights that allows a practitioner to view the front of the eye and the retina (with the additional lens)
|
|
|
SLO |
scanning laser ophthalmoscope
|
|
|
virtual point scan |
a term used by the company to define the effect created by the patented system that gives rise to wide field of view created by the Panoramic200 instrument – it conveys the effect of being equivalent to positioning a scanning system inside the patient’s eye
|
|
|
vitreous humour |
the clear, gel‑like substance that fills the eyeball behind the lens |
|