objective

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objective

 [ob-jek´tiv]
1. perceptible by the external senses.
2. a clear, concise declarative statement that directs action toward a specific goal.
3. the lens or system of lenses of a microscope nearest the object that is being examined.
achromatic objective one in which the chromatic aberration is corrected for two colors and the spherical aberration for one color.
affective objective a statement of expectations regarding changes in attitude or feelings.
apochromatic objective one in which chromatic aberration is corrected for three colors and the spherical aberration for two colors.
behavioral objective a written statement identifying an action or pattern of actions to be expected after an intervention.
cognitive objective a statement of expectations regarding knowledge.
flat field objective a microscopic objective that provides an image in which all parts of the field are simultaneously in focus.
immersion objective one designed to have its tip and the coverglass over the specimen connected by a liquid instead of air.
psychomotor objective a statement of expectations regarding the acquisition of skills.

ob·jec·tive

(ob-jek'tiv),
1. The lens or lenses in the object end of the body tube of a microscope, by means of which the rays coming from the object examined are brought to a focus. Synonym(s): object glass
2. Viewing events or phenomena as they exist in the external world, impersonally, or in an unprejudiced way; open to observation by oneself and by others. Compare: subjective.
[L. ob- jicio, pp. -jectus, to throw before]

objective

/ob·jec·tive/ (ob-jek´tiv)
1. perceptible by the external senses.
2. a result for whose achievement an effort is made.
3. the lens or system of lenses of a microscope (or telescope) nearest the object that is being examined.

objective

(əb-jĕk′tĭv)
adj.
1. Based on observable phenomena; empirical.
2. Relating to or being an indicator of disease, such as a physical sign, laboratory test, or x-ray, that can be observed or verified by someone other than the person being evaluated.

ob·jec′tive·ness n.

objective

[əbjek′tiv]
Etymology: L, objectare, to set against
1 n, a goal.
2 adj, pertaining to a phenomenon or clinical finding that is observed; not subjective. An objective finding is often described in health care as a sign that can be seen, heard, felt, or measured.

objective

EBM
A generic term referring to the central reason for performing a trial, which is to answer scientific questions by analysing data collected during the trial.
The primary objective is the main question to be answered and drives any statistical planning for the trial—e.g., calculating the sample size to provide the appropriate power for statistical testing; secondary objectives are goals of a trial that will provide further information on the use of the treatment.

objective

adjective Referring to the perception of external events or phenomena in an impartial, impersonal, and unbiased fashion noun Vox populi A goal; the reason for doing a thing. See Treatment objective.

ob·jec·tive

(ŏb-jek'tiv)
1. The lens or lenses in the lower end of the body tube of a microscope.
2. Pertaining to facts, conditions, or phenomena as they actually exist, without distortion by personal viewpoint or prejudice; open to observation by oneself and by others.
Compare: subjective
3. A goal, as in a desired outcome of treatment.
4. A component of a SOAP note format of medical records.
[L. ob-jicio, pp. -jectus, to throw before]

objective

The lens in a microscope nearest to the object being examined.

objective,

adj easily observed and measured such that psychological and subjective factors have little influence on measurement.

Objective 

An optical system or a lens used to provide a real image of an object. In cameras this image is situated on the film but in viewing instruments (telescopes, microscopes, etc.) this image is seen through an eyepiece. Syn. objective lens. See numerical aperture.

ob·jec·tive

(ŏb-jek'tiv)
Lens or lenses in object end of the body tube of a microscope by means of which rays coming from object examined are brought to a focus.
[L. ob-jicio, pp. -jectus, to throw before]

objective

1. perceptible by the external senses.
2. the lens or system of lenses of a microscope nearest the object that is being examined.

immersion objective
one designed to have its tip and the coverglass over the specimen connected by a liquid instead of air.
References in periodicals archive ?
Cometron 12x70 binoculars feature massive 70mm objective lenses, multi-coated optics, and a large exit pupil for incredible light-gathering capabilities that showcase comets, stars, the craters of the Moon, and even dim nebulae in crisp clarity with high contrast.
That's why European scopes are standard with the larger 30mm tube that gathers more light and why Europeans love large light-gathering objective lenses on those 30mm tubes.
A surprising number of shooters want scopes with 50mm or 56mm objective lenses.
Each Ultravid eyepiece has a rotating sleeve with two click stop positions for natural-eye or eyeglass wear at different pupil distances, the Ultravid series with 42mm objective lenses is available in 7X, 8X or 10X magnification, and 50mm objective tens models are available in 8X, 10X and 12X.
The Pentax Convergent Lens Optical System Engineering (CLOSE) mechanism automatically slides the left and right objective lenses toward the center when the focus is fixed at a short distance.
Scopes with adjustable objective lenses allow the image of the target to be precisely focused on the plane of the reticle no matter how near or far away.
Marketed by Pioneer Research in the USA, the Police binoculars are available in two powers (7x50 and 10x50) are housed in a black rubber-armored shell and feature large objective lenses and multi-coated optics on all air-to-glass surfaces for a bright clear view in all light level conditions.
Other features include adjustable objective lenses, finger-adjustable "reset-to-zero" windage and elevation knobs, 1/8 MOA adjustments, multicoated lens system and a nonreflective black matte finish.
The new binoculars are the smallest image-stabilizing binoculars in this power bracket--measuring just 6x7 and 6x3 inches, respectively--and still provide excellent low-light service with their 50mm objective lenses.
Both scopes feature oversized 44 mm objective lenses for maximum light transmission at dawn, dusk and in poor visibility conditions.
The large, coated 42mm objective lenses provide generous exit pupils to maximize brightness; phase corrected BaK4 high-index prisms allow superior color contrast and clear, round images free of vignetting.
Large multicoated 42mm objective lenses provide generous exit pupils for maximum brightness in all light conditions.