Crossword puzzle clue "optical light regulator"

Here are the possible solutions for optical light regulator clue

Answer
Clue
Relevancy
iris
Clue
Optical light regulator
Light regulator in the eye
The eye's light regulator
Definition
to give the form of a rainbow to
prism
Clue
Optical body used to disperse light
Definition
(Greek) a solid figure of which the two ends are similar, equal, and parallel rectilineal figures, and the sides parallelograms
aas
Clue
Batteries in optical mice
Definition
AA, (Hawaiian) a volcanic rock consisting of angular blocks of lava with a very rough surface
aorb
Clue
Optical illusion question, "Which is longer, ___?"
Optical illusion query, “Which is longer, ___?”
'Which is longer, --?' (optical illusion question)

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