John 9:6-7

9:6 Having said this, he spat on the ground and made some mud with the saliva. He smeared the mud on the blind man’s eyes 9:7 and said to him, “Go wash in the pool of Siloam” (which is translated “sent”). So the blind man went away and washed, and came back seeing.

Revelation 3:18

3:18 take my advice and buy gold from me refined by fire so you can become rich! Buy from me white clothing so you can be clothed and your shameful nakedness will not be exposed, and buy eye salve to put on your eyes so you can see!