Historical clue formulations

• Body part affected by heterochromia — 2026-09-04
• Floral Van Gogh subject — 2026-08-24
• Pupil's surroundings — 2026-08-02
• Something you can see right through — 2026-06-05
• Colored part of the 59-Down — 2026-06-03
• Pupil's surroundings — 2026-05-21
• Colorful eye part — 2026-04-14
• Anatomical ring — 2026-04-09
• Colorful body part ... or a colorful flower — 2026-03-09
• Bluish-purple bloom — 2026-02-18
• Ring around the pupil — 2025-11-10
• Body part that might be blue — 2025-09-09
• Goddess of the rainbow — 2025-07-13
• Mechanism that controls a camera's aperture — 2025-05-11
• Floral subject for van Gogh, Monet or O'Keeffe — 2025-04-27
• Eye part found in the 13-Across — 2025-03-13
• "Bearded" flower — 2025-03-12
• Pupil : aperture :: ___ : diaphragm — 2025-02-27
• Flower named for a deity — 2025-02-13
• Flower that gets its name from the Greek word for "rainbow" — 2024-12-05
• Body part that may be green — 2024-10-22
• Apt name for a florist or optometrist? — 2024-05-02
• Colored part of the eye — 2024-04-29
• Part of the eye — 2024-02-19
• Part of the eye that shares its name with a rainbow goddess — 2024-01-01
• Bluish-purple flower — 2023-10-03
• Pupil's surrounding — 2023-07-06
• Part of the eye — 2023-04-06
• Good name for a florist or optometrist — 2022-12-23
• Purplish blue — 2022-10-23
• Messenger for the gods in the "Iliad" — 2022-08-12
• Biometric scan identifier, maybe — 2022-06-01
• Eye piece — 2022-05-08
• Good name for an ophthalmologist — 2022-03-09
• It surrounds a pupil — 2022-02-20
• Tall purple flower — 2021-08-17
• Blue-violet shade — 2021-02-10
• Body part that's also a woman's name — 2020-12-24
• What surrounds the pupil — 2020-12-02
• Part of the eye — 2020-08-31
• Author Murdoch played onscreen by Kate Winslet and Judi Dench — 2020-06-07
• State flower of Tennessee — 2019-11-01
• Eye part covered by the cornea — 2019-10-14
• Divine messenger — 2019-08-17
• Flower named for a goddess — 2019-08-13
• Greek goddess of the rainbow — 2019-05-11
• Colored part of the eye — 2019-03-11
• Cousin of a crocus — 2019-03-01
• Part of the eye — 2019-02-04
• Pupil's place — 2019-01-09