6. What is fovea centralis (also called central fovea)? What is its significance
ID: 3479457 • Letter: 6
Question
6. What is fovea centralis (also called central fovea)? What is its significance? Why does degeneration can lead to blindness? 7. Describe the retinal layer, name all the neural cells present in order of their occurrence and partic the processing of the light rays. 8. Co 9. What is optic disc? Why is it referred to as blind spot? 10. Draw and describe the pathway of light beginning with the cornea and mpare and contrast rods and cones [abundance, sensitivity, differential distribution], ending at the brain finclude both pathway of light and the visual processing]. 1. make sure the structures are in order 2. which are transparent? 3. which parts of the eye play important role in refracting / bending light to focus? 4. which parts of the brain are involved? Create a flow diagram of the pathway. 11. Peter, a 64 years old retired farme r in visits the clinic complaining of fuzzy vision. Predict and discuss all the possible clinical conditions that might be associated with his problem and possible treatment options. (Create your hypothesis, provide supporting information for each of the possible conditions). 12. When Mrs. Chang visits her ophthalmologist, she complains of vision loss in her right eye. The intraocular pressure of that eye is found to be abnormally elevated. What is the name of Mrs. Chang's probable condition? What causes it? What might be the outcome if the problem is not corrected?Explanation / Answer
Fovea Centralis is a pit like structure located in the centre of the macula lutea of the retina of the eyes. This pit is made of tightly arranged cones.The fovea centralis place a greater role in the sharpness of the vision & central vision of the individual. Damaged to Fovea Centralis due to degeneration, cause Macular Degeneration resulting in loss of central vision.
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