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  • Mai Hoa
    Posted 06/05/2023 at 5:30 am

    Thank you for the very useful lessons. seems in this post
    you are confused between the pupil and the iris.

    • Jack
      Posted 07/05/2023 at 11:44 pm

      Hi Mai
      I don’t think I am. The pupil is the dark circle in the middle of your eye and the iris is the part that changes the size of your pupil and that is different colours in different people.

      • Mai Hoa
        Posted 08/05/2023 at 5:17 am

        Thanks for your answer. I understand. Wish you always healthy and happy!

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