adj
(optics, of a lens) Neither concave or convex (focal point at infinity)
adj
Alternative form of anallactic [Being or involving a special kind of convex lens for a telescope that reduces the stadia constant to zero.]
adj
(of the eye, or a lens system) Free from astigmatism
n
(ophthalmology) An instrument used to test for color blindness by measuring quantitative and qualitative anomalies in color perception.
adj
Of or pertaining to the optical illusion produced by one.
adj
Relating to audiographics.
n
a technician who carries out audiometry.
adj
Alternative form of autoptic [Seen with one's own eyes; belonging to, or connected with, personal observation.]
adj
(of an optical system) In which the optical components are shared by both of the viewer's eyes.
adj
(optics) Of or pertaining to optical systems that employ both refractive (dioptric) and reflective (catoptric) elements.
adj
(optics) Of or pertaining to coma (the distortion of a lens).
adj
(optics) Relating to, or produced by conoscopy
n
(ophthalmology) A radiograph of the lacrimal apparatus.
n
A transparent plastic cone in which a laboratory mouse is held prior to decapitation or other process
adj
Alternative form of dioptric [Acting as a medium for sight; making use of refraction (of lenses, etc.).]
adj
(medicine) Of or relating to visual phenomena caused by objects within the eye, or the objects themselves.
adj
(optics) Describing an optical device in which light is reflected by (rather than traversing) the object being observed
adj
Relating to exophthalmometry.
n
measurement with an exophthalmometer
n
(chiefly US) An optometrist or ophthalmologist.
n
(chiefly US) An ophthalmologist.
n
A series of examinations carried out by an optician to assess a patient's vision.
n
Alternative form of eyetracking [The tracking of eye movements]
n
The tracking of eye movements
adj
Alternative spelling of fibre optic [Of, or relating to fibre optics, or to optical fibre.]
adj
Alternative spelling of fibre optic [Of, or relating to fibre optics, or to optical fibre.]
adj
Alternative spelling of fibre optic [Of, or relating to fibre optics, or to optical fibre.]
n
(ophthalmology, Philippines) An eyeglass prescription.
n
The measurement of halitosis by detection of volatile sulfur compounds in the breath
adj
(optics) Describing the perception of depth by means of a single eye
n
(ophthalmology) An ophthalmic instrument for assessing the shape of the anterior surface of the cornea.
n
(optics) A procedure to correct the vision by reshaping the cornea using a laser.
adj
Of or pertaining to a lens
n
A small, jerky eye movement that is a part of normal vision when fixating on an image, which seems to play a role in visual perception.
adj
Of any optical system suitable for use by one eye at a time.
adj
(ophthalmology, rare) Referring to a saccade which has no undershoot (hypometria) or overshoot (hypermetria) and has an amplitude of thirty degrees.
adj
Of, or relating to the eye, or the sense of sight
n
A measure of the number of eyes needed to see something, i.e. monocular or binocular.
adj
of or relating to oculesics
n
ophthalmology; optometry
n
The faculty of movement of the eye.
n
(medicine, colloquial) Ophthalmologist.
adj
Obsolete form of ophthalmic. [(medicine) Of or pertaining to the eyes.]
n
One skilled in ophthalmology.
n
The scientific description of the eye.
adv
With reference to, or by means of ophthalmology.
n
A medical doctor specializing in the eye: deficiencies of vision requiring correction, and diseases. Compare optometrist.
adj
Of, pertaining to or using an ophthalmoscope.
adj
Synonym of ophthalmoscopic
n
One who performs ophthalmoscopy.
adj
(relational) Of, or relating to the eye or to vision.
adj
Of, or relating to sight; visual.
n
A person who makes or dispenses lenses, spectacles.
n
The professional field of working as an optician.
adj
Obsolete form of optic. [(relational) Of, or relating to the eye or to vision.]
adj
Having both optic and pneumatic elements
adj
Obsolete form of optic. [(relational) Of, or relating to the eye or to vision.]
n
The production of an optogram on the retina by the photochemical action of light on the visual purple; the fixation of an image in the eye.
n
(rare) The study of sight.
adj
Of or pertaining to optometry
adj
Of or pertaining to optometry.
n
A person trained and skilled in examining and testing the eyes for defects, in order to prescribe corrective lenses or treatment.
adj
Describing movement of the eye, head or body (especially of insects) that steadies the field of vision
n
(geometry) The isoptic whose given angle is a right angle.
n
One who practices orthoptics.
adj
(optometry) Having all or many degrees of power; having a great range of power; said of an eyepiece made adjustable so as to give a varying magnifying power.
n
(US) A person who assists an optometrist
n
An ophthalmologist whose speciality is perimetry
adj
Relating to the shape of a lens
adj
Alternative form of phenakistoscopic [Of or relating to the phenakistoscope.]
adj
(optics) Of or relating to all the light, travelling in every direction, in a given space.
n
(endocrinology) A visual system for phenotypic grading of the genitalia, from "fully masculinized" to "fully feminized".
n
An optometrist who specialises in refractive problems.
n
One who carries out retinoscopy.
n
(medicine) Analysis of the refractive properties of the eye using a retinoscope; skiascopy.
adj
(optics, of a lens) Having a tilt in the opposite direction to a pantoscopic lens
adj
Alternative form of scioptic [(dated) Of or relating to an optical arrangement for forming images in a darkened room.]
adj
Of or relating to a scotoma.
n
(obsolete) obscuration of the field of vision due to the appearance of a dark spot before the eye
adj
(physiology) Relating to or denoting vision in dim light, believed to involve chiefly the rods of the retina.
adj
(optics) Pertaining to a narrow opening or slit in an opaque barrier that restricts the light which reaches the eye.
adj
Alternative form of stenopaeic [(optics) Pertaining to a narrow opening or slit in an opaque barrier that restricts the light which reaches the eye.]
adj
Alternative form of stenopaeic [(optics) Pertaining to a narrow opening or slit in an opaque barrier that restricts the light which reaches the eye.]
n
An ophthalmic device that allows a stimulus to be presented to both eyes simultaneously
adj
relating to teleophthalmology
n
(ophthalmology) Either of the sidepieces on a set of spectacles, extending backwards from the hinge toward the ears and, usually, turning down around them.
n
(optometry) A card printed with various letters or symbols, used in testing vision.
n
(obsolete) A surgeon's case of instruments.
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