BIOL - How We Can See With Our Eyes
Biology, eye structure, pupil reflex, eye accommodation - IGCSE | IBDP | DSE | GCE | IAL | AP Biology
How We Can See
The images that we see are made from light that is reflected from objects. After the light reaches the eyes, the brain processes the information to create a vision.
Today, we will learn more about how our eyes make it possible for us to see 😎
Frequently asked on IGCSE Biology: Structure and function of eye 👀
Structure of Eye
How Iris Controls How Much Light Enters the Eye
There are two kinds of muscles that make up the iris:
These two muscles of the iris contract and relax to control the size the pupil. The size of the pupil determines how much light enters the eye.
At bright light:
Defects in the Eye that May Affect Vision
Wanna Boost Up Your IGCSE Biology?
We just sent you an email. Please click the link in the email to confirm your subscription!