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Sensory System Presentation
Transcript of Sensory System Presentation
Sensory System Presentation
We as humans have five senses. A sense is the physiological capacity that allows living organisms to perceive what is around us. Sight is one of the most important senses that we possess. The human eye is an organ that allows us to see. The human eye is a very unique and complex structure , and it is one of the most developed senses that we have. Damage to any structural part of the eye can affect the bodies nervous system severely.
Astigmatism - The cornea is misshaped causing vision to be blurry (Foley & Matlin, n.d.)
Glaucoma - Damage to the optic disc ( in the retina) that causes vision loss. It is caused by the build up of pressure in the eye (Foley & Matlin, n.d.)
Presbyopia- Thickening and hardening of the lens causes difficulty in focusing ( Foley & Matlin, n.d.)
Cataract - Cloudy Lens ( Foley & Matlin, n.d.)
Damage to the Eye Structure
Malignant Perivascular Melanoma Mimicking
Primary Central Nervous System Vasculitis
Rare disease over the age of 50 years
3-5 % of people affected
Pathogenesis unknown & misunderstood
How damage affects the Nervous System ?
Foley, H.J. & Matlin, M. W. (n.d.). Visual
System. Retrieved from http://www.skidmore.edu/hfoley/perc3.htm
Institute, N. E. ( 2009) . Facts about
Cataracts. Retrieved from http://www.national eye.com
Schneider, M., Holtje,J., Kehler,. U.,
Hartmann., V., Holl- Ullrich, K., Oechel, K. & Urban,. P. P. (2013). Malignant perivascular melanoma mimicking primary central nervous system vasculitis. Journal of Neurology, 260 (2),680-4. doi:http:doi.org/10.1007/s00415-012-6789-7
Staff, M.C. (2014). Presbyopia. Retrieved
PSY / 340
June 24, 2014
Dr. Wesley Benton
Signs and Imaging
As you can see, the human eye sight is a very impressive, and important part of the nervous system. Making sure you take care of your eyes, to the best of your ability is essential because without your eyes you just might loss sight of what's important !!!
Why Change Happens in Nervous System ?
Common in premature babies
1 in 5 Down Syndrome patients
Increased eye pressure
Poor Blood Flow
Optic Nerve Damage
Hardening of eye lens - As you age
Build up of Protein