3.  Retinitis Pigmentosa Tunnel Vision due to degeneration of retinal photoreceptors

4.  Macular Degeneration Due to degeneration/damage to the retina Risk FactorComments AgePrevalence of M.D. increases with age Cardiovascular DiseaseM.D. has weak association with CVD, M.D. 3x higher in smokers EthnicityMore prevalent in whites than hispanic or african american GenderMore common in Women than Men GeneticsGenetic Dispostion unknown

5. 1-2. Digital camera captures image and sends it to batter powered Video-Processor 3. Processor converts image into electrical impulses and transmits them to transmitter on glasses, which then transmits signals receiver implanted underneath the skin 4. Pulses reach electrode implant, stimulating electrodes in accordance with the encoded light and dark signals 5. Electrical signals from electrodes travel to brain via optic nerve

6.  Patient Trial  Improvements  Commercialization  $30,000

7.  http://health.howstuffworks.com/bionic-eye1.htm http://health.howstuffworks.com/bionic-eye1.htm  http://www.aafp.org/afp/20000515/3035.html http://www.aafp.org/afp/20000515/3035.html  http://www.technovelgy.com/ct/Science-Fiction- News.asp?NewsNum=1598