• The eye in the opening shots
• Replicants' eyes glow
• Tyrell has huge glasses to make his eyes bigger
• Eyes are used in the VK test
• Chew's Eye World where Chew and Leon both handle the eyes
• Chew says, "Eyes, eyes... I do only eyes"
• Roy says, "Chew, if only you could see what I've seen with your eyes!"
• Leon tries to stick his fingers in Deckard's eyes
• The lights behind Pris when she enters Sebastian's apartment
• Batty plays with the glass-encased eyes in Sebastian's apartment
• Batty sticks his thumbs in Tyrell's eyes
• Pris rolls her eyes to show only the whites
• The owl's large eyes are shown frequently
• Surrounding the top of the Bradbury building are large, bright blue, lighted half-orbs, which resemble eyes.
• Roy says, "I've SEEN things you people wouldn't believe"
• Roy says, "Not an easy man to SEE, I guess"
• Rachael says, "I wanted to SEE you"
• Rachael says, "He wouldn't SEE me"

Note that, Rachael refers to seeing, Deckard does not...
"I wanted to see you..."
"Talk to Tyrell."
"He wouldn't see me."