The eye as a sense organ (CIE IGCSE Biology)

This resource contains an engaging and detailed lesson PowerPoint and accompanying worksheets which cover the content of both the Core and Supplement sections of topic 14.2 (Sense organs) as detailed in the CIE IGCSE Biology specification. Understanding checks are included at regular points throughout the lesson to allow the students to self-assess their progress and quiz competitions like SAY WHAT YOU SEE and LOOK into these WORDS introduce key terms in a fun and memorable way. The following content is covered across this resource:

• The function of the cornea, retina, lens, optic nerve and iris
• Identifying these structures and the pupil, fovea and blind spot on a diagram
• The roles of the rods and cones in the retina and their distribution
• Explain the pupil reflex in terms of the antagonistic action of the muscles in the iris
• Accommodation to view near and distant objects
• Sense organs and the stimuli to which they respond

This lesson has been designed for GCSE-aged students who are studying the CIE IGCSE Biology course but is suitable for both younger and older students who are studying this organ