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Astigmatism: alternatives and connections

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Astigmatism

A defect of the eye or of a lens, in consequence of which the rays derived from one point are not brought to a single focal point, thus causing imperfect images or indistinctness of vision.

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47 useful connections shown 5 reviewed relationships and 42 broader connections.
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Reviewed alternatives and contrasts

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Broader term 3

Ametropia 76% connected

Any abnormal condition of the refracting powers of the eye.

oewn 2023 0% interchangeable

Open English WordNet identifies the related term as a broader lexical category for at least one sense.

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Condition 76% connected

Mode or state of being; state or situation with regard to external circumstances or influences, or to physical or mental integrity, health, strength,…

oewn 2023 0% interchangeable

Open English WordNet identifies the related term as a broader lexical category for at least one sense.

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Status 76% connected

State; condition; position of affairs.

oewn 2023 0% interchangeable

Open English WordNet identifies the related term as a broader lexical category for at least one sense.

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Derivationally related 2

Astigmatic 74% connected

Affected with, or pertaining to, astigmatism; as, astigmatic eyes; also, remedying astigmatism; as, astigmatic lenses.

oewn 2023 15% interchangeable

Open English WordNet records a derivational relationship between these word forms.

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Astigmatic 74% connected

Affected with, or pertaining to, astigmatism; as, astigmatic eyes; also, remedying astigmatism; as, astigmatic lenses.

oewn 2023 15% interchangeable

Open English WordNet records a derivational relationship between these word forms.

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Words from the same subject

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Anxiety noun · 85% connection

(psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by…

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Anxiousness noun · 85% connection

(psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by…

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Coccidiosis noun · 85% connection

(veterinary medicine) infestation with coccidia

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Curvature noun · 85% connection

(medicine) a curving or bending; often abnormal; "curvature of the spine"

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Immunity noun · 85% connection

(medicine) the condition in which an organism can resist disease

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Irritation noun · 85% connection

(pathology) abnormal sensitivity to stimulation; "any food produced irritation of the stomach"

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Paramnesia noun · 85% connection

(psychiatry) a disorder of memory in which dreams or fantasies are confused with reality

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Resistance noun · 85% connection

(medicine) the condition in which an organism can resist disease

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Alopecia noun · 85% connection

loss of hair (especially on the head) or loss of wool or feathers; in humans it can result from heredity or hormonal imbalance or cert…

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Deviated septum noun · 85% connection

abnormal displacement of any wall that separates two chambers (usually in the nasal cavity)

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Dysplasia noun · 85% connection

abnormal development (of organs or cells) or an abnormal structure resulting from such growth

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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General anaesthesia noun · 85% connection

a state of total unconsciousness resulting from anesthetic drugs (as for a major surgical operation)

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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General anesthesia noun · 85% connection

a state of total unconsciousness resulting from anesthetic drugs (as for a major surgical operation)

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Gestation noun · 85% connection

the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Hyperpigmentation noun · 85% connection

unusual darkening of the skin

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Hypopigmentation noun · 85% connection

unusual lack of skin color

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Hypoxia noun · 85% connection

oxygen deficiency causing a very strong drive to correct the deficiency

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Infertility noun · 85% connection

the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate

Used in the same subject area: Medicine and healthcare, Environmental science, Conservation and biodiversity.
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Words connected by meaning

Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.

Aberration noun · 78% connection

The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of su…

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
Definition Compare
Accommodation noun · 78% connection

(physiology) the automatic adjustment in focal length of the natural lens of the eye

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Amasthenic adjective · 78% connection

Uniting the chemical rays of light into one focus, as a certain kind of lens; amacratic.

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Bull's-eye noun · 78% connection

A lantern, with a thick glass lens on one side for concentrating the light on any object; also, the lens itself.

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Camera obscura unknown · 78% connection

An apparatus in which the images of external objects, formed by a convex lens or a concave mirror, are thrown on a paper or other whit…

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Cataract noun · 78% connection

An opacity of the crystalline lens, or of its capsule, which prevents the passage of the rays of light and impairs or destroys the sig…

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Collimator noun · 78% connection

A tube having a convex lens at one end and at the other a small opening or slit which is at the principal focus of the lens, used for…

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Concavo-convex adjective · 78% connection

Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust…

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Condenser noun · 78% connection

A lens or mirror, usually of short focal distance, used to concentrate light upon an object.

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Crop noun · 78% connection

That which is cropped, cut, or gathered from a single felld, or of a single kind of grain or fruit, or in a single season; especially,…

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
Definition Compare
Culpa noun · 78% connection

Negligence or fault, as distinguishable from dolus (deceit, fraud), which implies intent, culpa being imputable to defect of intellect…

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Defect noun · 78% connection

Failing; fault; imperfection, whether physical or moral; blemish; as, a defect in the ear or eye; a defect in timber or iron; a defect…

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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Defectible adjective · 78% connection

Liable to defect; imperfect.

Its definition shares important concepts with this word: defect, lens, consequence, rays, derived.
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