Related Clues:

• It's the background light near it
• Iris's location
• Place for rods
• The pigmented layer of the eye
• Iris location
• Pigmented layer of the iris
• Only externally visible part of the central nervous system
• Portion of the eye
• Pigmentary layer of the eye
• The eyes have it?
• Membrane with rods and cones
• Another eye part
• It contains 15-Across
• What gives irises their color
• Tear in distress, seen in one's eye