Journal 2 SCIENCE PROJECT 4
10 08 2008Investigate the two types of sight defect- long-sightedness and short sightedness.
Find the following information:
- what causes the defect
What causes the defect is that when you look at something at a long distance your eyes start to blur and you get a less clear vision.
- the symptoms displayed
The symptoms displayed are blurieness and sore eyes as you strain them to look closer or further than you can.
- Propose what sort of lens may be used to correct each vision.
Maybe the lens called bi – concex because it gives you an oval shape which our eyes are similar to that shape of lens.
Categories : SCIENCE