night-blindnessn.

Brit.

/ˈnʌɪtˌblʌɪn(d)nᵻs/, U.S.

/ˈnaɪtˌblaɪn(d)nᵻs/

Forms: see night n. and blindness n.

Origin: Formed within English, by compounding. Etymons: night n., blindness n.

Etymology: < night n. + blindness n. Compare early modern Dutch nachtblintheyt (1597; Dutch nachtblindheid), German Nachtblindheit, Swedish nattblindhet.

Medicine and Biology.

Reduced visual acuity in dim light, esp. as a pathological condition associated with vitamin A deficiency in humans. Cf. nyctalopia n. 1.

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > blindness > night blindness

night-blindness1625

nyctalops1661

nyctalopy1661

nyctalopia1684

day sight1811

1625 S. Purchas Pilgrimes II. ix. xii. 1555 Another infirmitie..is blindnesse by night. [Side-note] Night-blindnesse.

1757 Med. Observ. & Inquiries I. xiii. 120 Galen explains the word by a night-blindness.

1834 J. Forbes et al. Cycl. Pract. Med. III. 184/1 Night-blindness has been described as endemic in different countries.

1887 C. A. Moloney Sketch Forestry W. Afr. 375 In Travancore the juice from them is applied in cases of night-blindness.

1898 T. C. Allbutt et al. Syst. Med. V. 597 A man..will not show night-blindness, unless he be also exposed to very bright light.

1909 Westm. Gaz. 3 Sept. 5/2 The experiments proved that the prevalent theory of the night-blindness of such distinct day birds as doves and hens is wrong.

1949 H. W. C. Vines Green's Man. Pathol. (ed. 17) v. 108 Night-blindness (hemeralopia) has recently been proved to be due to vitamin A deficiency.

1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) xix. 334 Another manifestation of a deficiency of this vitamin [sc. vitamin A] brings about the inability to see in a dim light, known as night blindness.

1989 Times 28 Oct. 6/7 An estimated seven million motorists suffer from a form of night blindness..which could be responsible for up to 5 per cent of road accidents.

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

单词	night-blindness
释义	night-blindnessn. Brit. /ˈnʌɪtˌblʌɪn(d)nᵻs/, U.S. /ˈnaɪtˌblaɪn(d)nᵻs/ Forms: see night n. and blindness n. Origin: Formed within English, by compounding. Etymons: night n., blindness n. Etymology: < night n. + blindness n. Compare early modern Dutch nachtblintheyt (1597; Dutch nachtblindheid), German Nachtblindheit, Swedish nattblindhet. Medicine and Biology. Reduced visual acuity in dim light, esp. as a pathological condition associated with vitamin A deficiency in humans. Cf. nyctalopia n. 1. ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > blindness > night blindness night-blindness1625 nyctalops1661 nyctalopy1661 nyctalopia1684 day sight1811 1625 S. Purchas Pilgrimes II. ix. xii. 1555 Another infirmitie..is blindnesse by night. [Side-note] Night-blindnesse. 1757 Med. Observ. & Inquiries I. xiii. 120 Galen explains the word by a night-blindness. 1834 J. Forbes et al. Cycl. Pract. Med. III. 184/1 Night-blindness has been described as endemic in different countries. 1887 C. A. Moloney Sketch Forestry W. Afr. 375 In Travancore the juice from them is applied in cases of night-blindness. 1898 T. C. Allbutt et al. Syst. Med. V. 597 A man..will not show night-blindness, unless he be also exposed to very bright light. 1909 Westm. Gaz. 3 Sept. 5/2 The experiments proved that the prevalent theory of the night-blindness of such distinct day birds as doves and hens is wrong. 1949 H. W. C. Vines Green's Man. Pathol. (ed. 17) v. 108 Night-blindness (hemeralopia) has recently been proved to be due to vitamin A deficiency. 1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) xix. 334 Another manifestation of a deficiency of this vitamin [sc. vitamin A] brings about the inability to see in a dim light, known as night blindness. 1989 Times 28 Oct. 6/7 An estimated seven million motorists suffer from a form of night blindness..which could be responsible for up to 5 per cent of road accidents. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1625
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