1. How do your eyes work? What is the difference between focal vision and peripheral vision? 2. What is the anatomy around the pituitary gland? Why are the optic nerves likely to be affected by pituitary tumors?

3. Interpret the results of Eric’s visual field tests (shown on the following pages). How does the visual fields machine map peripheral vision, and what do the numbers represent? What is the dark area in the “normal” eyes? Based on these visual fields, is Dr. Tim correct in suggesting that Eric should no longer drive?

1 When light hits the retina (a light-sensitive layer of tissue at the back of the eye), special cells called photo receptors turn the light into electrical signals.

These electrical signals travel from the retina through the optic nerve to the brain. Then the brain turns the signals into the images you see.Focal vision is involved in examining and recognizing objects related with the macular area of the retina whereas peripheral vision is vision resulting in stimulation of the retina outside the macula. An example of peripheral vision would be looking straight ahead while also being able to see on the side by the eye.

Explanation:

2The pituitary gland is enveloped by dura and sits within the sella turcica of the sphenoid bone. The sella turcica is a saddle-shaped depression that surrounds the inferior, anterior, and posterior aspects of the pituitary.When a pituitary tumor pushes the optic chiasm, it causes visual loss in both eyes. In addition to the optic nerve, which brings vision from the eye to the brain, there are also several other nerves near the pituitary gland that travel to the eyes and help them move normally.

Have a nice day

And if u want to be nice you can mark me brainest

answer:

a licensed practical nurse (lpn), in much of the united states and canada, is a nurse who cares for people who are sick, injured, convalescent, or disabled. in the united states, lpns work under the direction of physicians.

explanation:

answer:

it could come from a variety of sources.

explanation:

..although it was most likely developed through zoonotic transmission, where an infectious disease which usually afflicts when animals jump to humans.