Eyeglasses v.s Contact Lenses

Figure 1: Some people choose to wear glasses

(source: http://blog.jessicahk.com/jblog/
suewai/2011/07/14/ol-%e5%bf%85%e5
%ad%b8%e7%9c%bc%e9%8f%a1%e5%a6%9d/

Figure 2: Other people choose to wear contact lenses

(source: http://www.nipic.com/show/1/11/4137040k451e75e2.html)

    





Figure 3: Diffrent brands of contact lenses

(source: http://www.vopt.hk/index.php?cPath=51)

 





 





Figure 4: Various colors of contact lenses

(source: http://www.ipobar.com/read.php?tid-1414312.html)



  

   

   

 

Video: Contact lenses cause some problems about eyes

(source:  http://www.youtube.com/watch?v=E1VSb4Zn29Q)