top-rated free essay

Eye Dissection Questions

By Haileyweber3 Nov 05, 2012 315 Words
Questions:

External:

Are there muscles visible on the external portions of the eye? On the surface of the eyeball there were portions of extrinsic muscles. They can be seen in the diagram.

What is the function of the fat attached to the eyeball?
The purpose of the fat is to protect the eye and further secure the eye into the socket

When you look at the white of a person’s eye, what are you actually looking at? You are looking at their sclera

On the cow eyeball, where was the optic nerve located?
The optic nerve on the cow eyeball was located on the back of the eyeball, directly in the center. Internal:

What is the colour of the vitreous humour?
The vitreous humour is clear and jelly-like

What is the colour of the retina in the preserved eye? How does it differ from the diagram and a living eye? The retina was a light brown colour in the preserved eye. In a living eye it is a pink/ red colour.

Why is the carotid coat called the blind spot?
No sensory cells are present here, creating a blind spot in the eye. This is not noticeable in our vision, as each eye covers the other’s blind spot.

From what portion of the lens are the suspensory ligaments radiating? They were radiating from the outside ring around the lens.

Why does the lens take a biconvex shape?
To direct the images to the back of the eye

What is the ring of tissue around the lens called? What is the hole in this tissue called? The hole in the tissue is called the pupil. The tissue surrounding the lens is the iris, this is the coloured part of the eye.

References

Webb, C. (n.d.). The Eye and Its Parts. The Eye. Retrieved May 15, 2012, from http://www.99main.com/~charlief/Blindness.htm

Cite This Document

Related Documents

  • Eye Dissection

    ...Cow’s eye dissection AIM ~ To locate and distinguish specific parts to an eye of a cow, in particular, its lens. OBSERVATIONS ~ Before actually beginning the dissection of the cow’s eye, we were about to sketch a fairly relative picture of our observing’s of the exterior body of the eye. The eye, having almost completely being sheltere...

    Read More
  • Cow Eye Dissection

    ...COW EYE DISSECTION Use the following link to watch a video on a cow’s eye dissection. http://www.exploratorium.edu/learning_studio/cow_eye/video_sm_all.html Aim: The purpose for a cow’s eye dissection is to learn the different parts of the eye by doing a hands on experiment. You can always see the eye from images or diagrams, but this ...

    Read More
  • The Eye

    ...Chapter 9: The Eye * Light is electromagnetic energy that is emitted in form of waves; waves crash into objects and are absorbed, reflected, scattered, and bent * Half of human cerebral cortex is involved with analyzing visual world * MAMMALIAN VISUAL SYSTEM: begins with eye, back of eye is retina (contains photoreceptors special...

    Read More
  • The Eye and Nervous System Questions

    ...The Eye Item 1 refers to the following diagram of a longitudinal section through the human eye 1. At what point is vision not possible? (A) I (B) II (C) III (D) IV Item 2 refers to the following diagrams (I and II) representing the iris in bright and dim light respectively. 2. What causes the appearance in I and II to be differe...

    Read More
  • The Eye

    ...THE EYE. The normal sighted human eye perceives an object which is ‘described’ by light rays and how they are bent by it . Usually, the image of the object is picked up on the retina, on the area of the Central Forea as an upside down picture which is then ‘righted’ by the brain in order that the object may be seen. Different dist...

    Read More
  • eyes

    ...Eagle eye From Wikipedia, the free encyclopedia For other uses, see Eagle Eye (disambiguation). Eye of a Golden Eagle The eagle eye is among the strongest in the animal kingdom, with an eyesight estimated at 4 to 8 times stronger than that of the average human.[1] An eagle is said to be able to spot a rabbit 2 miles (3.2 km) a...

    Read More
  • The Human Eye

    ...human eye is the organ which gives us the sense of light allowing us to learn more about the surrounding world than any of the other five senses. We use our eyes in almost everything we do whether reading,working watching television ,writing a letter driving a car and countless other activities The eye allows us to see and interpret the shape...

    Read More
  • The Eye and Laser Eye Surgery

    ...A Functioning Eye (Emmetropia) The eye is the organ of sight. It is used in almost everything we do, from playing sport to reading. A normal and well functioning eye can focus objects and images, both near and far, perceive depth and adapt to changes in light. The perception of depth is due to having two separate eyes creating two separate ima...

    Read More

Discover the Best Free Essays on StudyMode

Conquer writer's block once and for all.

High Quality Essays

Our library contains thousands of carefully selected free research papers and essays.

Popular Topics

No matter the topic you're researching, chances are we have it covered.