Vision problems and how lenses can be used to correct them.
A discussion of how vision works and what problems cause nearsightedness and farsightedness. Video courtesy of Jeremiah College Science.
Describes the differences between nearsightedness and farsightedness.
Reviews the role of the eye in vision and the causes and corrective lenses for myopia and hyperopia.
Learn how some vision problems can be corrected by surgery performed with lasers.
Learn about the eye disease called macular degeneration and the telescopic contact lenses that have been developed to correct it.
Lesson 6 of this website provides additional information about the eye and vision correction.
These flashcards are here to help you better understand middle school physical science.