sursum-prefix

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

formative element [ < Latin sursum from below, up] used in terms in Ophthalmology.

sursumduction n.

Brit.

/ˌsəːsəmˈdʌkʃn/

U.S.

/ˌsərsəmˈdəkʃ(ə)n/

[ < French sursumduction (G. T. Stevens 1886, in Arch. d'Ophtalm. VI. 545): see duction n.] vertical movement upwards of one eye alone; the degree to which this action occurs.

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of eye > [noun] > disordered movement

nystagmus1772

wandering1869

conjugate deviation1882

phoria1891

sursumduction1893

sursumvergence1897

oculogyric crisis1927

1893 G. E. de Schweinitz Dis. Eye ii. 76 Sursumduction, or the power of uniting the image of the candle flame, seen through a prism placed with its base downward before one eye, with the image of the same object as seen by the other eye, is ascertained by beginning the trial with a weak prism..and gradually increasing its strength.

1949 S. Duke-Elder Text-bk. Ophthalmol. IV. xlv. 3814 Depending on whether the [eye] movement is in, out, up or down, the terms adduction, abduction, supraduction (sursumduction) and infraduction (deorsumduction) are employed.

1975 M. M. Parks Ocular Motility & Strabismus xviii. 149/1 Dissociated double hyper~deviation is synonymous with alternating sursumduction which describes the upturning movement of each eye as the cover-uncover test is performed.

sursumvergence n.

Brit.

/ˌsəːsəmˈvəːdʒ(ə)ns/

U.S.

/ˌsərsəmˈvərdʒəns/

[Latin vergentia ( < vergere to bend, turn): see -ence suffix] the simultaneous movement of one eye upwards and the other downwards, classified as left or right according to which eye moves upward; the degree to which this motion occurs.

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of eye > [noun] > disordered movement

nystagmus1772

wandering1869

conjugate deviation1882

phoria1891

sursumduction1893

sursumvergence1897

oculogyric crisis1927

1897 A. Duane New Classification of Motor Anomalies of Eye 38 The sursumvergence, i.e., the amount by which the eyes can diverge in a vertical plane, is determined by the strength of prism placed up or down before the eyes, which the latter can overcome when looking at a distant object.

1962 H. W. Brown in G. M. Haik Strabismus (Symposium N. Orleans Acad. Ophthalm.) xii. 243 The normal limits of sursumvergence are small.

1974 Burian & von Noorden Binocular Vision & Ocular Motility xiii. 207/2 In some texts the normal limits for distance fixation are given as..3Δ to 4Δ for sursumvergence and deorsumvergence.

sursumversion n.

Brit.

/ˌsəːsəmˈvəːʃn/

U.S.

/ˌsərsəmˈvərʒ(ə)n/

/ˌsərsəmˈvərʃ(ə)n/

[Latin version-em , < vertere to turn: see -ion suffix¹] the parallel upward movement of both eyes.

ΘΚΠ

the world > life > the body > external parts of body > head > face > eye > [noun] > movements of eye

rollinga1500

volubility1603

flexion1626

roving1658

eye-rolling1837

run1837

sursumversion1897

extorsion1899

vergence1902

eye-roll1928

1897 A. Duane New Classification of Motor Anomalies of Eye 68 Explanation of the conditions..may be had by assuming a weakness of deorsumversion in the former case and of sursumversion in the latter.

1975 M. M. Parks Ocular Motility & Strabismus ii. 14/2 Vertical versions are supraversion (sursumversion) and infraversion (deorsumversion).

Draft additions June 2012

sursumduct v.

Brit.

/ˌsəːsəmˈdʌkt/

U.S.

/ˌsərsəmˈdək(t)/

(a) intransitive to perform or undergo sursumduction (now rare); (b) transitive to perform sursumduction of (an eye).

1899 Johns Hopkins Hosp. Bull. 10 91/2 I find that it is possible for the eye muscles to abduct, adduct, or sursumduct to greater extent than with prisms.

1913 M. L. Foster tr. P. Roemer Textbk. Ophthalmol. III. 860 By it [sc. the duction test] we determine the ability of the muscles to overcome prisms with their bases out, in, up, and down; in other words, to adduct, abduct and sursumduct the eyes.

1970 H. H. A. Hötte Orbital Fractures viii. 154 The effort of the intact superior rectus muscle to sursumduct the globe against the lower-side fixation, causes the globe to be retracted.

2010 C. L. Martin Ophthalmic Dis. Vet. Med. (rev. ed.) vi. 124/2 Forced duction tests..are positive or restricted when the globe is abducted or sursumducted.

This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022).

单词	sursum-
释义	sursum-prefix Stress is usually determined by a subsequent element and vowels may be reduced accordingly. formative element [ < Latin sursum from below, up] used in terms in Ophthalmology. sursumduction n. Brit. /ˌsəːsəmˈdʌkʃn/ , U.S. /ˌsərsəmˈdəkʃ(ə)n/ [ < French sursumduction (G. T. Stevens 1886, in Arch. d'Ophtalm. VI. 545): see duction n.] vertical movement upwards of one eye alone; the degree to which this action occurs. ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > [noun] > disordered movement nystagmus1772 wandering1869 conjugate deviation1882 phoria1891 sursumduction1893 sursumvergence1897 oculogyric crisis1927 1893 G. E. de Schweinitz Dis. Eye ii. 76 Sursumduction, or the power of uniting the image of the candle flame, seen through a prism placed with its base downward before one eye, with the image of the same object as seen by the other eye, is ascertained by beginning the trial with a weak prism..and gradually increasing its strength. 1949 S. Duke-Elder Text-bk. Ophthalmol. IV. xlv. 3814 Depending on whether the [eye] movement is in, out, up or down, the terms adduction, abduction, supraduction (sursumduction) and infraduction (deorsumduction) are employed. 1975 M. M. Parks Ocular Motility & Strabismus xviii. 149/1 Dissociated double hyper~deviation is synonymous with alternating sursumduction which describes the upturning movement of each eye as the cover-uncover test is performed. sursumvergence n. Brit. /ˌsəːsəmˈvəːdʒ(ə)ns/ , U.S. /ˌsərsəmˈvərdʒəns/ [Latin vergentia ( < vergere to bend, turn): see -ence suffix] the simultaneous movement of one eye upwards and the other downwards, classified as left or right according to which eye moves upward; the degree to which this motion occurs. ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > [noun] > disordered movement nystagmus1772 wandering1869 conjugate deviation1882 phoria1891 sursumduction1893 sursumvergence1897 oculogyric crisis1927 1897 A. Duane New Classification of Motor Anomalies of Eye 38 The sursumvergence, i.e., the amount by which the eyes can diverge in a vertical plane, is determined by the strength of prism placed up or down before the eyes, which the latter can overcome when looking at a distant object. 1962 H. W. Brown in G. M. Haik Strabismus (Symposium N. Orleans Acad. Ophthalm.) xii. 243 The normal limits of sursumvergence are small. 1974 Burian & von Noorden Binocular Vision & Ocular Motility xiii. 207/2 In some texts the normal limits for distance fixation are given as..3Δ to 4Δ for sursumvergence and deorsumvergence. sursumversion n. Brit. /ˌsəːsəmˈvəːʃn/ , U.S. /ˌsərsəmˈvərʒ(ə)n/ , /ˌsərsəmˈvərʃ(ə)n/ [Latin version-em , < vertere to turn: see -ion suffix¹] the parallel upward movement of both eyes. ΘΚΠ the world > life > the body > external parts of body > head > face > eye > [noun] > movements of eye rollinga1500 volubility1603 flexion1626 roving1658 eye-rolling1837 run1837 sursumversion1897 extorsion1899 vergence1902 eye-roll1928 1897 A. Duane New Classification of Motor Anomalies of Eye 68 Explanation of the conditions..may be had by assuming a weakness of deorsumversion in the former case and of sursumversion in the latter. 1975 M. M. Parks Ocular Motility & Strabismus ii. 14/2 Vertical versions are supraversion (sursumversion) and infraversion (deorsumversion). Draft additions June 2012 sursumduct v. Brit. /ˌsəːsəmˈdʌkt/ , U.S. /ˌsərsəmˈdək(t)/ (a) intransitive to perform or undergo sursumduction (now rare); (b) transitive to perform sursumduction of (an eye). Π 1899 Johns Hopkins Hosp. Bull. 10 91/2 I find that it is possible for the eye muscles to abduct, adduct, or sursumduct to greater extent than with prisms. 1913 M. L. Foster tr. P. Roemer Textbk. Ophthalmol. III. 860 By it [sc. the duction test] we determine the ability of the muscles to overcome prisms with their bases out, in, up, and down; in other words, to adduct, abduct and sursumduct the eyes. 1970 H. H. A. Hötte Orbital Fractures viii. 154 The effort of the intact superior rectus muscle to sursumduct the globe against the lower-side fixation, causes the globe to be retracted. 2010 C. L. Martin Ophthalmic Dis. Vet. Med. (rev. ed.) vi. 124/2 Forced duction tests..are positive or restricted when the globe is abducted or sursumducted. This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022). < prefix1893
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