What is happening in/to my eyes when my focus switches from content on my screen to the reflection on my screen?
In: Biology
Your pupil contracts or expands, like a ballon where you pull or push on two ends simultanisly.
Since your pupil is filled with a fluid which breaks light in other ways than air does and your pupil is shaped in a special way, your brain can focus the light from all objects to be sharp on your retina.
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