1. Sensory System Issues and Innovations

2. Vision Correction by Surgery
Radial Keratotomy: - microscopic surgery that makes eight tiny incisions into the cornea of the eye which cause a flattening of the cornea - used to correct myopia (nearsightedness) or astigmatism - Outpatient procedure done under local anesthesia - actual procedure takes about 10 – 15 minutes - Each eye is done at separate times

3. Vision Correction by Surgery
Laser Vision Correction Surgeries:
work by reshaping the cornea, the clear front part of the eye, so that light traveling through it is properly focused onto the retina located in the back of the eye.
LASIK is one of a number of different surgical techniques used to reshape the cornea
Can correct nearsightedness, farsightedness, or astigmatism,

4. Slideshows:
deshow/article.htm

5. Noise Pollution
Noise in the environment can damage nerve endings & cells in the inner ear
Ossicles of the ear amplify incoming sound 25 times before it reaches the inner ear
Most people do not notice hearing loss until they are unable to understand normal speech or they develop tinnitus (ringing in the ear)
Causes of hearing loss include:
- Loud Music
- Cellular phones