(n.) The organ of sight or vision. In man, and the vertebrates generally, it is properly the movable ball or globe in the orbit, but the term often includes the adjacent parts. In most invertebrates the years are immovable ocelli, or compound eyes made up of numerous ocelli. See Ocellus.
(n.) The faculty of seeing; power or range of vision; hence, judgment or taste in the use of the eye, and in judging of objects; as, to have the eye of sailor; an eye for the beautiful or picturesque.
(n.) The action of the organ of sight; sight, look; view; ocular knowledge; judgment; opinion.
(n.) The space commanded by the organ of sight; scope of vision; hence, face; front; the presence of an object which is directly opposed or confronted; immediate presence.
(n.) That which resembles the organ of sight, in form, position, or appearance
(n.) The spots on a feather, as of peacock.
(n.) The scar to which the adductor muscle is attached in oysters and other bivalve shells; also, the adductor muscle itself, esp. when used as food, as in the scallop.
(n.) The bud or sprout of a plant or tuber; as the eye of a potato.
(n.) The center of a target; the bull's-eye.
(n.) A small loop to receive a hook; as hooks and eyes on a dress.
(n.) The hole through the head of a needle.
(n.) A loop forming part of anything, or a hole through anything, to receive a rope, hook, pin, shaft, etc.; as an eye at the end of a tie bar in a bridge truss; as an eye through a crank; an eye at the end of rope.
(n.) The hole through the upper millstone.
(n.) That which resembles the eye in relative importance or beauty.
(n.) Tinge; shade of color.
(v. t.) To fix the eye on; to look on; to view; to observe; particularly, to observe or watch narrowly, or with fixed attention; to hold in view.
(v. i.) To appear; to look.
Example Sentences:
(1) Forty-nine patients (with 83 eyes showing signs of the disease) were followed up for between six months and 12 years.
(2) Some common eye movement deficits, and concepts such as 'the neural integrator' and the 'velocity storage mechanism', for which anatomical substrates are still sought, are introduced.
(3) In the group of high myopia (over 20 D), the mean correction was 13.4 D. In the group with refraction between 0 and 6 D, 88% of the eyes treated had attained a correction between -1 and +1 D 3 months postoperatively.
(4) Content of cyclic nucleoside monophosphates was decreased in all the eye tissues in experimental toxico-allergic uveitis as well as penetration of cAMP into the fluid of anterior chamber of the eye.
(5) Angle closure glaucoma is a well-known complication of scleral buckling and it is of particular interest when it occurs in eyes with previously normal angles.
(6) A marked overlap of input from the two eyes is an unusual feature for a diprotodont marsupial and has previously been seen only in the feathertail glider.
(7) It is my desperate hope that we close out of town.” In the book, God publishes his own 'It Getteth Better' video and clarifies his original writings on homosexuality: I remember dictating these lines to Moses; and afterward looking up to find him staring at me in wide-eyed astonishment, and saying, "Thou do knowest that when the Israelites read this, they're going to lose their fucking shit, right?"
(8) In 22 cases (63%), retinal detachment was at least partially flattened in the area of the posterior pole of the eye.
(9) When the eye was dissected into anterior uveal, scleral, and retinal complexes, prostaglandin D2 was formed in the highest degree in all the complexes, whereas prostaglandin E2 and F2 alpha formation was specific to given ocular regions.
(10) Eye movements which were either complementary or in opposition to the induced vestibular nystagmus were produced with an optokinetic drum.
(11) Immunoblotting with glycoprotein preparations from human eye muscle; 3.
(12) In the course of the syndrome development blood vessel permeability was increased in the anterior chamber of the eye.
(13) Displacement of the surface of the cornea of bovine eyes after disruption of intact structures was investigated by means of holographic interferometry.
(14) The mean preoperative intraocular pressure (IOP) of 43.9 mmHg in the eyes with neovascular glaucoma was reduced to 17.4 mmHg after a mean follow-up of 20.2 months.
(15) It is proposed that microoscillations of the eye increase the threshold for detection of retinal target displacements, leading to less efficient lateral sway stabilization than expected, and that the threshold for detection of self motion in the A-P direction is lower than the threshold for object motion detection used in the calculations, leading to more efficient stabilization of A-P sway.
(16) Instead of later renal failure and, of course, mental retardation, it was the histological features of the fetus eyes which permit to diagnose and exhibit both congenital cataract and irido-corneal angle dysgenesis.
(17) The nature of the putative autoantigen in Graves' ophthalmopathy (Go) remains an enigma but the sequence similarity between thyroglobulin (Tg) and acetylcholinesterase (ACHE) provides a rationale for epitopes which are common to the thyroid gland and the eye orbit.
(18) The authors examined an eye obtained post-mortem from a patient with chronic granulomatous disease of childhood and clinically apparent chorioretinal scars.
(19) Simple cells that are nearly equally dominated by each eye always exhibit strong phase-specific interaction.
(20) Over a period of 9 months a 12-year-old girl spontaneously developed a palpable cystic tumor in the upper eye lid which led to an indentation and downward displacement of the globe.
Optometer
Definition:
(n.) An instrument for measuring the distance of distinct vision, mainly for the selection of eveglasses.
Example Sentences:
(1) Accommodation measurements of nine young, emmetropic subjects were obtained with an infrared optometer while they viewed superimposed horizontal and vertical square-wave gratings at various dioptric separations.
(2) During each condition, measurements were made of DF (with a laser optometer) and DV (with a Nonius alignment system).
(3) The accommodation responses of 20 young male adults were measured, using a laser optometer, while they viewed a near target (30 cm), a far target (6 m), or in total darkness.
(4) The responses of accommodation and vergence were measured simultaneously with a dual Purkinje image eye tracker and infrared optometer while subjects viewed a Maltese cross monocularly through a pinhole pupil and made voluntary efforts to imaginary changes in target distance.
(5) Visual accommodation was measured with the laser-Badal optometer in 98 U.S. Navy fighter pilots who were in a dark environment without visual stimuli.
(6) The trials should be designed to encompass the following issues: the characteristics of a feasible physiological model linking accommodation and myopia development; the rationale with regard to patient selection; the technical performance of the optometer employed; the characteristics of the control group used; the criteria for assessment of myopic change; the transfer of training to performance in normal visual environments; the economic viability of the programme of training and equipment; and the skill, training and knowledge of the clinician implementing the training programme.
(7) Dark focus of accommodation (DFA) was measured in 10 subjects using a computer-aided He-Ne Badal laser optometer having high temporal and amplitude resolution.
(8) Accommodation was measured after the task at 1 s intervals over a 90 s period using an objective infrared optometer.
(9) In this regard, we used a computer-aided laser speckle optometer system to measure the accommodative responses of 20 visually normal subjects, to brightness-matched monochromatic and multichromatic stimuli displayed on a high-resolution RGB monitor.
(10) Accommodation was monitored continuously with a dynamic infrared optometer.
(11) When measuring refractive power, the eye tracker is used to maintain automatically the optical axis of the optometer coincident with the visual axis of the human eye.
(12) Monocular accommodation was measured by a laser optometer while two subjects viewed a letter matrix target illuminated by steady or intermittent (300, 100, 50 and 25 Hz) light and presented at a number of optical distances (0.5, 1.5, 2.5, 3.5 and 4.5 D).
(13) Vergence was stimulated by the introduction of a 6 delta base-out prism before the right eye while the open-loop accommodative response of the left eye was measured at approximately 1 s intervals using an objective infra-red optometer.
(14) The stimulator was attached to the Three-Dimensional Optometer III (TDOIII), which could measure accommodation, eye movement, and pupil diameter simultaneously.
(15) The accommodative response was measured objectively using an infrared optometer (Canon Autoref R-1).
(16) To measure the accommodative state of the eye in a stimulus free condition, the so called dark focus, a simple optometer was constructed based on the principle of the polarized vernier optometer originally proposed by Moses (1971).
(17) It has been accepted that this can be accomplished by putting the optometer's secondary focal point at either the eye's anterior nodal or anterior focal point.
(18) A recently developed servo-controlled optometer and focus stimulator were used to obtain monocular accommodation response data on four college-age subjects.
(19) Examination of the data from the two optometers revealed significant differences in both magnitude and distribution of pre-task DF.
(20) Accommodation was measured after the task at 1-s intervals over a 90-s period using an objective infrared optometer to determine post-task regression of DF toward pretask values.