Sophia Learning
Sophia: Parts of the Microscope
A narrated tutorial illustrating the use of a light microscope. [5:48]
Scholastic
Scholastic: Study Jams! Science: The Human Body: The Senses: Seeing
Animated video, with an accompanying quiz, explains the structure and function of the eye.
Wisc-Online
Wisc Online: The Sense of Sight
Describes the important structures of the human eye and how they work so that we can see images. [4:47]
Khan Academy
Khan Academy: The Structure of the Eye
This video reviews the structure of the eye. [10:28]