3 doctors weighed in:

What is the function of iris for human eye?

3 doctors weighed in
Dr. Lloyd Williams
Ophthalmology
2 doctors agree

In brief: As an aperture

The main function of the iris is to regulate how much light enters the eye, much like the aperture of a camera.
It also drains a small amount of aqueous humor, and likely has some other cellular functions that have not been well characterized.

In brief: As an aperture

The main function of the iris is to regulate how much light enters the eye, much like the aperture of a camera.
It also drains a small amount of aqueous humor, and likely has some other cellular functions that have not been well characterized.
Dr. Lloyd Williams
Dr. Lloyd Williams
Thank
Dr. Olivia Liao
Ophthalmology

In brief: Like a camera shutte

Shutter, the iris regulates how much light gets into the eye.

In brief: Like a camera shutte

Shutter, the iris regulates how much light gets into the eye.
Dr. Olivia Liao
Dr. Olivia Liao
Thank
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