Coloured diaphragm that controls pupil diameter

Let's find possible answers to "Coloured diaphragm that controls pupil diameter" crossword clue. First of all, we will look for a few extra hints for this entry: Coloured diaphragm that controls pupil diameter. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.