ophthalmoscope, n.
(ɒfˈθælməʊskəʊp)
[f. ophthalmo- + Gr. -σκοπος viewing, viewer, see -scope.]
An instrument for inspecting the interior of the eye, esp. the retina.
| 1857 Dunglison's Med. Lex. 656 An ophthalmoscope..has been invented, which by reflecting the light on the retina enables the condition of the interior of the eye to be appreciated. 1867 Brande & Cox Dict. Sci., etc. [The] ophthalmoscope..invented by Helmholtz in 1851, for the examination of the interior of the living eye. 1878 T. Bryant Pract. Surg. I. 293 The ophthalmoscope since its introduction has undergone innumerable modifications, both in principle and detail. |
Hence ophˈthalmoscope v. intr., to inspect the eye by means of the ophthalmoscope; ophthalmoˈscopic, -ˈscopical, adjs., of or pertaining to the ophthalmoscope or its use; ophthalmoˈscopically adv., by means of ophthalmoscopy.
| 1857 in Mayne Expos. Lex. 820/2 Ophthalmoscopic. 1861 Bumstead Ven. Dis. (1879) 719 A gummy tumor of the ciliary body, which ophthalmoscopically..was seen and taken by others for a sarcoma. 1871 Hammond Dis. Nerv. Syst. p. xiii, Ophthalmoscopic examinations require the observer to possess a very thorough acquaintance with the anatomy of the eye, and also with the science of optics. 1879 J. H. Jackson Ophthalmoscope 3 Extremely abnormal ophthalmoscopical appearances may exist when sight is good. |