Astigmatism
Common Visual Problem Caused By Misshapen Cornea or Lens
Normal Vision
Light is the stimulus for vision, the ability to see an object begins with the visible light, this light stimulates the entire process of vision. Once the light reaches the optic nerve at the back of the eye, signals are sent to the brain. From there the receptors and neurons in the receptor lining make two transformations that shape what we see; transforms the light reflected from the object into an image of that object and the transformation from the image to electrical signals (Goldstein, p. 23, 2014).
How Vision Works
Vision With Astigmatism
Visual Perception
Vision Difference With and Without Astigmatism
Treatment Options For Astigmatism
Anatomy Of The Eye
(Eye Clinic of Sandpoint, n.d.)
References
Eye Clinic of Standpoint. (n.d.). The Visual Process. Retrieved from http://www.eyeclinicofsandpoint.biz/vision.html
Farooqui, J.H., Koul, A., Dutta, R., & Shroff, N.M. (2015). Management of Moderate and Severe Corneal Astigmatism With Acrosof Toric Intraocular Lens Implantation- Our Experience. Elsevier. Retrieved from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4625364/
Kivi, R. & Boskey, E. (2015). Astigmatism. Healthline. Retrieved from http://www.healthline.com/health/astigmatism#Overview1
Kumar, V. (n.d.). How Vision Works. Retrieved from http://www.slideshare.net/anuepcet/ppt-57636667