Question

which controls the size of the eye​

Answer 1

Answer:

iris

Light enters the eye through the pupil, and the iris regulates the amount of light by controlling the size of the pupil. This is known as the pupillary light reflex. The iris contains two groups of smooth muscles; a circular group called the sphincter pupillae, and a radial group called the dilator pupillae.

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Answer 2

iris control the size of pupil