muscae volitantesn.

Brit.

/ˌmʌskiː ˌvɒlᵻˈtantiːz/,

/ˌmʌssiː ˌvɒlᵻˈtantiːz/, U.S.

/ˈˌməski ˌvɑləˈtæn(t)iz/,

/ˈˌməssi ˌvɑləˈtæn(t)iz/

Origin: A borrowing from Latin. Etymon: Latin muscae volitantes.

Etymology: < post-classical Latin muscae volitantes (1597 or earlier) < classical Latin muscae , plural of musca fly (see Musca n.) + volitantēs , plural of volitāns , present participle of volitāre to fly about (see volitate v.).

Chiefly Ophthalmology.

Small moving spots in the field of vision representing a normal or sometimes pathological phenomenon usually caused by opacities in the vitreous humour of the eye. Also called floaters.

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > specks or sparks before eye

stars1598

synchysis1684

muscae volitantes1715

spot1785

phosphene1852

muscae1856

sparkling synchisis1859

spark1899

floater1902

1715 J. T. Desaguliers in A. Pitcairn Wks. To Transl. sig. a^v The Muscae volitantes, or small Bodies, like Flies or Spiders, which appear to fly or swim about the Air, before the Eye.

1753 Chambers's Cycl. Suppl. Muscæ Volitantes, dark, irregular veins and spots, seeming to fly before the eyes.., especially on looking at bright objects.

1786 Philos. Trans. (Royal Soc.) 76 318 A dark spot is seen resembling the shape of the sun, or other luminous object which we last beheld. This is the source of one kind of the dark coloured muscæ volitantes.

1829 S. Cooper Good's Study Med. (ed. 3) IV. 215 Of the ocular spectres, constituting the first variety [of paropsis illusoria], one of the most frequent forms is that of dark spots. These are the muscæ volitantes of many authors.

1926 Amer. Naturalist 60 569 If the reader will gaze steadily at a blue sky..he will..become aware of numerous bright and dark specks which pursue meandering paths across the field of view. These are distinct from true muscae volitantes, having their cause in the refraction of light by the corpuscles circulating in the retinal arteries.

1951 J. Holloway Lang. & Intell. x. 177 Muscae volitantes and other similar effects are indeterminate as regards both apparent distance and direction.

1997 Surv. Ophthalmol. 42 92 It is well-known that flying dots (muscae volitantes) in posterior vitreous detachment gradually disappear.

This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).

单词	muscae volitantes
释义	muscae volitantesn. Brit. /ˌmʌskiː ˌvɒlᵻˈtantiːz/, /ˌmʌssiː ˌvɒlᵻˈtantiːz/, U.S. /ˈˌməski ˌvɑləˈtæn(t)iz/, /ˈˌməssi ˌvɑləˈtæn(t)iz/ Origin: A borrowing from Latin. Etymon: Latin muscae volitantes. Etymology: < post-classical Latin muscae volitantes (1597 or earlier) < classical Latin muscae , plural of musca fly (see Musca n.) + volitantēs , plural of volitāns , present participle of volitāre to fly about (see volitate v.). Chiefly Ophthalmology. Small moving spots in the field of vision representing a normal or sometimes pathological phenomenon usually caused by opacities in the vitreous humour of the eye. Also called floaters. ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > specks or sparks before eye stars1598 synchysis1684 muscae volitantes1715 spot1785 phosphene1852 muscae1856 sparkling synchisis1859 spark1899 floater1902 1715 J. T. Desaguliers in A. Pitcairn Wks. To Transl. sig. a^v The Muscae volitantes, or small Bodies, like Flies or Spiders, which appear to fly or swim about the Air, before the Eye. 1753 Chambers's Cycl. Suppl. Muscæ Volitantes, dark, irregular veins and spots, seeming to fly before the eyes.., especially on looking at bright objects. 1786 Philos. Trans. (Royal Soc.) 76 318 A dark spot is seen resembling the shape of the sun, or other luminous object which we last beheld. This is the source of one kind of the dark coloured muscæ volitantes. 1829 S. Cooper Good's Study Med. (ed. 3) IV. 215 Of the ocular spectres, constituting the first variety [of paropsis illusoria], one of the most frequent forms is that of dark spots. These are the muscæ volitantes of many authors. 1926 Amer. Naturalist 60 569 If the reader will gaze steadily at a blue sky..he will..become aware of numerous bright and dark specks which pursue meandering paths across the field of view. These are distinct from true muscae volitantes, having their cause in the refraction of light by the corpuscles circulating in the retinal arteries. 1951 J. Holloway Lang. & Intell. x. 177 Muscae volitantes and other similar effects are indeterminate as regards both apparent distance and direction. 1997 Surv. Ophthalmol. 42 92 It is well-known that flying dots (muscae volitantes) in posterior vitreous detachment gradually disappear. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < n.1715
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