| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Daltonism is a type of this, a problem with cone receptors | color blindness DD | $2,200 | J | HEALTH & MEDICINE | 2017-01-23 | #7451 | |
| Christmas must be a bummer for you, having this condition & not being able to distinguish between red & green | color blindness | $200 | J | THE DOCTOR WILL "C" YOU NOW | 2011-11-14 | #6246 | |
| In a 1794 paper John Dalton gave the first description of this optical condition | color blindness | $500 | J | MEDICINE | 1993-06-16 | #2038 |