Related Clues:

• It allows light into the eye
• Good name for a florist
• Small hollow in a surface, in biology
• Opening for Ansel Adams
• 2001 role for Kate Winslet and Judi Dench
• "A Severed Head" author Murdoch
• It gives the eye color
• Where a pupil sits?
• Ocular sphincter
• "Stanley & ___" (1990 Fonda / De Niro film)
• Flag in a garden
• Biological ring of color
• "The Good Apprentice" author Murdoch
• It's light-sensitive
• Bloom or rainbow