Clue: It's light-sensitive

Answer: IRIS

Length: 4

---

Similar Clues:

• One sensitive to light (ELECTRICEYE with 11 letters)
• Time-sensitive items (EPHEMERA with 8 letters)
• Light-sensitive membrane (RETINA with 6 letters)
• Light-sensitive eye part (RETINA with 6 letters)
• It's sensitive to light (RETINA with 6 letters)
• Light-sensitive eye area (RETINA with 6 letters)
• Light-sensitive area (RETINA with 6 letters)
• Light-sensitive walls (RETINAS with 7 letters)
• Light-sensitive linings of inner eyes (RETINAS with 7 letters)
• Light-sensitive cells (RODS with 4 letters)