scotometern.
/skə(ʊ)ˈtɒmᵻtə/, U.S. /skoʊˈtɑmədər/, /skəˈtɑmədər/ Ophthalmology.
An instrument or device for detecting and measuring scotomata.
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
1890 G. Ferdinands in Brit. Med. Jrnl. 27 Sept. 741/1 Those who frequently meet with cases of toxic amblyopia..must have found the small coloured squares used in detecting scotomata both an inadequate and inconvenient test... To obviate these disadvantages I have had made for me a little instrument..which I propose to call a scotometer.
1902 Lancet 12 July 83/2 A New Scotometer. Messrs. Weiss and Son, Limited, have made for me a little instrument which..I have found very useful for the purpose of rabid determination of the condition of central colour disturbance common in toxic amblyopia.
1932 Optician 83 397/1 I did not take the fields for white, relying on the evidence of the scotometer.
1961 S. van Wien tr. Huber Eye Symptoms in Brain Tumors i. 75 For a quick survey to determine the presence of a scotoma for color, the so-called scotometer is suitable.
1996 Jrnl. Pediatric Ophthalmol. & Strabismus 33 181 (title) Polaroid scotometer: a new device to chart suppression scotomata.
This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022).
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n.1890