Definition of retinally in English:
retinally
Pronunciation /ˈrɛtɪn(ə)li/ /ˈrɛtɪnəli/ /ˈrɛt(ə)n(ə)li/
adverb
With respect to or by means of the retina.
Origin
Mid 19th century; earliest use found in British and Foreign Medico-chirurgical Review. From retinal + -ly.