retinallyadv.
/ˈrɛtᵻnl̩i/, /ˈrɛtᵻnəli/, /ˈrɛtn̩l̩i/, /ˈrɛtn̩əli/, U.S. /ˈrɛtn̩əli/ With respect to or by means of the retina.
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the world > life > the body > sense organ > sight organ > parts of sight organ > [adverb] > retina
retinally1859
1859 Brit. & Foreign Medico-chirurg. Rev. 23 480 If..I place a pair of foci 1/ 180[of an inch] apart at the optic centre.., the foremost fibre in the vitreous, casts in the divergent pencils shadows whose middle lines are retinally 1/ 25 apart.
1882 London, Edinb., & Dublin Philos. Mag. 5th Ser. 14 314 It becomes possible to calculate the maximum retinal displacement of images which would have corresponded retinally if the angle of rotation, Φ, were zero.
1936 Science 27 Mar. 309/1 (heading) The use of polarized light in the simultaneous comparison of retinally and cortically fused colors.
1974 Sci. Amer. Jan. 79/1 Tilted-head subjects recognized the environmentally upright (but retinally tilted) figures about as well as the upright observers did.
1999 W. Gibson All Tomorrow's Parties iii. 14 It's dark in here, but he sees colors, faint flares and swathes and stipplings, moving. Like the afterimages of the DatAmerica flows are permanent now, retinally ingrained.
This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022).
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adv.1859