I am supose to write a paper, as if I have lost all vision except through the retina, and how I would then perceive images received by the retina. I guess my question is, are there any type of eye diseases where this actually takes …
12. A person with an injury to the extrinsic muscles of the eye would find it difficult to A. focus light onto the retina. B. interpret visual input. C. move the eyeball. D. control the amount of light entering the eye. Maybe C.?
Find the radius of a star image formed on the retina of the eye if the aperture (pupil) diameter at night is 0.70 cm and the length of the eye is 3.1 cm. Assume the wavelength of the starlight in the eye is 500 nm. (1nm=10^9 m)
The human retina has an area of about 1000 mm^2. If we have a total of 125 million rods and 6.5 million cones in each eye, show that we have about 131,500 sensory cells per square millimeter in the retina.