Cornea Pupil Lens Iris Ciliary muscle Retina Optic nerve Structure of human eye
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Diagram the overall structure of the human eye. Label the cornea, iris, lens, sclera, retina, and choroid. Describe the function of each labeled structure.
1. Identify the function of the iris, lens, ciliary muscle, ciliary processes, and retina in proper vision. a. Identify the locations/distribution of rod and cone photoreceptors in the retina. b. Identify the differences in how rods and cones are activated. c. Where should something be positioned to see it in the greatest detail? Why? d. Identify the various types of abnormal vision and the cause of each. 2. Describe the basic visual pathway. Differentiate between the concepts of convergence and merging visual fields in the visual pathway.
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