ophthalmometern.

Brit.

/ˌɒfθalˈmɒmᵻtə/,

/ˌɒpθalˈmɒmᵻtə/, U.S.

/ˌɑpθə(l)ˈmɑmədər/,

/ˌɑfθə(l)ˈmɑmədər/

Origin: Formed within English, by compounding. Etymons: ophthalmo- comb. form, -meter comb. form².

Etymology: < ophthalmo- comb. form + -meter comb. form². Compare French ophtalmomètre (dated 1747 in Robert Dict. alphabétique et analogique (1986)), Italian oftalmometro (1834).In sense 2 after German Ophthalmometer (H. Helmholtz 1854, in Archiv f. Ophthalmologie I. ii. 4).

Ophthalmology.

†1. An instrument for measuring the size of the eye. Obsolete. rare.

ΘΚΠ

the world > health and disease > healing > diagnosis or prognosis > specific measuring or recording > [noun] > specific measuring or recording instruments > for capacity of chambers of eye

ophthalmometer1842

1842 R. Dunglison Med. Lexicon (ed. 3) Ophthalmometer, an instrument of the nature of compasses, invented by F. Petit, for measuring the capacity of the..chambers of the eye in anatomical experiments.

2. An instrument for measuring the radius of curvature of the cornea; = keratometer n. at kerato- comb. form .

ΘΚΠ

the world > health and disease > healing > ophthalmology or optometry > [noun] > instrumental examination or measurement of eye > instruments used in

optometer1738

opsiometer1842

ophthalmoscope1856

auto-ophthalmoscope1863

ophthalmometer1864

phacoidoscope1864

strabismometer1869

autoscope1873

strabometer1874

perimeter1875

leucoscope1883

retinoscope1883

phacoscope1886

phorometer1888

campimeter1889

prisoptometer1890

scotometer1890

skiascope1892

transilluminator1906

slit lamp1922

anomaloscope1923

gonioscope1925

synoptophore1934

1864 W. D. Moore tr. F. C. Donders On Anomalies Accomm. & Refraction of Eye 17 Helmholtz constructed a peculiar instrument, called by him the ophthalmometer for the purpose of determining the magnitude of the reflected images.

1895 Daily News 27 Feb. 6/5 Before Helmholz's inventions of the ophthalmoscope and the ophthalmometer, ‘no one had ever seen a living retina at its task’.

1921 Sci. Monthly July 27 Opthalmic medicine had a new birth with this instrument and with the opthalmometer [sic] which Helmholtz perfected.

1964 S. Duke-Elder Parsons' Dis. Eye (ed. 14) vii. 77 The keratometer (ophthalmometer) measures the astigmatism of the anterior surface of the cornea at two points about 1·25 mm. on either side of its centre.

2001 Perception 30 1157 The development of optometers, ophthalmometers, and ophthalmoscopes is presented historically.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).

单词	ophthalmometer
释义	ophthalmometern. Brit. /ˌɒfθalˈmɒmᵻtə/, /ˌɒpθalˈmɒmᵻtə/, U.S. /ˌɑpθə(l)ˈmɑmədər/, /ˌɑfθə(l)ˈmɑmədər/ Origin: Formed within English, by compounding. Etymons: ophthalmo- comb. form, -meter comb. form². Etymology: < ophthalmo- comb. form + -meter comb. form². Compare French ophtalmomètre (dated 1747 in Robert Dict. alphabétique et analogique (1986)), Italian oftalmometro (1834).In sense 2 after German Ophthalmometer (H. Helmholtz 1854, in Archiv f. Ophthalmologie I. ii. 4). Ophthalmology. †1. An instrument for measuring the size of the eye. Obsolete. rare. ΘΚΠ the world > health and disease > healing > diagnosis or prognosis > specific measuring or recording > [noun] > specific measuring or recording instruments > for capacity of chambers of eye ophthalmometer1842 1842 R. Dunglison Med. Lexicon (ed. 3) Ophthalmometer, an instrument of the nature of compasses, invented by F. Petit, for measuring the capacity of the..chambers of the eye in anatomical experiments. 2. An instrument for measuring the radius of curvature of the cornea; = keratometer n. at kerato- comb. form . ΘΚΠ the world > health and disease > healing > ophthalmology or optometry > [noun] > instrumental examination or measurement of eye > instruments used in optometer1738 opsiometer1842 ophthalmoscope1856 auto-ophthalmoscope1863 ophthalmometer1864 phacoidoscope1864 strabismometer1869 autoscope1873 strabometer1874 perimeter1875 leucoscope1883 retinoscope1883 phacoscope1886 phorometer1888 campimeter1889 prisoptometer1890 scotometer1890 skiascope1892 transilluminator1906 slit lamp1922 anomaloscope1923 gonioscope1925 synoptophore1934 1864 W. D. Moore tr. F. C. Donders On Anomalies Accomm. & Refraction of Eye 17 Helmholtz constructed a peculiar instrument, called by him the ophthalmometer for the purpose of determining the magnitude of the reflected images. 1895 Daily News 27 Feb. 6/5 Before Helmholz's inventions of the ophthalmoscope and the ophthalmometer, ‘no one had ever seen a living retina at its task’. 1921 Sci. Monthly July 27 Opthalmic medicine had a new birth with this instrument and with the opthalmometer [sic] which Helmholtz perfected. 1964 S. Duke-Elder Parsons' Dis. Eye (ed. 14) vii. 77 The keratometer (ophthalmometer) measures the astigmatism of the anterior surface of the cornea at two points about 1·25 mm. on either side of its centre. 2001 Perception 30 1157 The development of optometers, ophthalmometers, and ophthalmoscopes is presented historically. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < n.1842
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