Lesson: The Eye Biology

Students will be able to

• describe the main structures of the eye, including the cornea, iris, pupil, lens, cells of the retina, optic nerve, ciliary muscles, and suspensory ligaments,
• explain how these structures are adapted for their functions,
• outline how all these structures work together to enable sight,
• describe how common eye defects can be caused, including cataracts, color blindness, and nearsightedness or farsightedness,
• describe some treatments for these eye defects, including simple operations, wearing glasses or contact lenses, and laser eye surgery.