The light of the body is the eye: if therefore thine eye be single, thy whole body shall be full of light.
Berean Study Bible (BSB) - Matthew 6:22 >The eye is the lamp of the body. If your eyes are good, your whole body will be full of light.
Textus Receptus (TR) - Matthew 6:22 >Ὁ λύχνος τοῦ σώματός ἐστιν ὁ ὀφθαλμός· ἐὰν οὖν ὁ ὀφθαλμός σου ἁπλοῦς ᾖ, ὅλον τὸ σῶμά σου φωτεινὸν ἔσται·