Lesson: Correcting Vision Using Lenses Science • Third Year of Preparatory School

Students will be able to

• recognize that defects in vision are due to deformations of the eye,
• recognize that, for clear vision, the image produced by the lens of the eye must form at the retina,
• state what is meant by the term short-sighted,
• recall what deformation of the eye produces short-sightedness,
• recall what kind of lens can be used to correct short-sightedness,
• state what is meant by the term long-sighted,
• recall what deformation of the eye produces long-sightedness,
• recall what kind of lens can be used to correct long-sightedness.