The Jewel of the body: Human eye

Introduction

The eyes are so transparent that through them the world is seen. However, have you ever wondered what the eye is all about? how are we able to see? 

Watch my short introductory video on the eye, which will surely blow your mind!!! Where you discover the mystery of the eye and why it is considered the Jewel of the body. 

https://youtu.be/Y4a9_CiAU14

 

Task

By the end of the lesson the learners would be able to:

  • know the basic process of image formation by the human eye.
  • Label the basic structure of the human eye.
  • Distinguish between long sightedness and short sightedness.
  • List different diseases associated with the eye. 

Question 1: Multiple choice 

1) What is the best definition of the retina?

    a)An outermost part of the eye that sees things.

    b) The innermost part of the eye that absorbs light and changes it into electrical signals.

    c) The light switch to the brain.

    d) The clear, tough tissue covering the front of the eye.

 

2) Which part of the eye does 20% of the focusing?

      a)Lens

      b)Pupil

     c) Retina

     d) Iris

 

3) what is the best definition of the Iris?

a) The white part of the eyeball.

b)The liquid inside of the eyeball.

c) The name of a song by goo goo dolls.

d) The coloured part of the eye under the cornea.

 

4) What is the main purpose of the black pole?

a)A black hole to dump garbage in.

b)Block bugs from getting to your brain.

c) Send electrical signals to the brain.

d) shrinks or grows to allow light into your eyes.

 

Question 2: True or False Questions

1) The iris is behind the Cornea. True or False?

2)The lens focuses 80% of all images. True or False?

3) If you scratch your eyes you probably scratch the cornea. True or False?

4)The optic nerve is the part of the eye that gets on the nerves. State true or false?

5)The retina absorbs light and changes into electrical signals. True or False?

 

Question 3: Label the Structure of the eye.

link:  https://www.crayola.com/free-coloring-pages/print/human-eye-coloring-page/

 

Question 4: Tabulate the differences between being long sighted and short sighted.

 

Question 5: List minimum 4 disease associated with eyesight impairment and explain a treatment for the disease.

 

Question 6: Essay writing

Instructions: Write an Essay of not more than 400 works where you explain the visual perception process of how images is portrayed by the eyes. Making close reference to the various parts of the eye involved in this process. 

Process

Follow these easy steps in order to answer the task to the best of your ability.

 

Question 1: How to complete question 1

  1. visit the link provided to read about the functions of the eye. link https://www.britannica.com/science/human-eye/Extraocular-muscles  https://sites.google.com/view/lifesciencesmilnertonhigh/grade-12/6-responding-to-the-environment-humans
  2. make short notes from the text that you read.
  3. answer the questions on a word document.
  4. send the answers to my email t.220068267@gmail.com 
  5. https://youtu.be/YcedXDN6a88

     

Question 2: 

  1. Using your knowledge of the eye answer the true and false questions.
  2. make a list of the possible answers to the questions.
  3. answer the questions to the best of your ability and type it on a word document.
  4. send the answers to my email address t.220068267@gmail.com
  5. use the same word document for the whole assignment.

Questions 3: follow these easy steps to answer the question.

  1. make sure your browser has a stable internet connection.
  2. click on the link provided to explore the functions and label of the eye. link https://www.vectorstock.com/royalty-free-vector/diagram-human-eye-anatomy-with-label-vector-35951070
  3. once done open the nest link to access the worksheet on the eye. link https://www.crayola.com/free-coloring-pages/print/human-eye-coloring-page/
  4. copy the image onto your word document by using the keys "Ctrl and C" pressing it together to copy the imagine.
  5. once pasted onto your word document.
  6. enable editing feature by setting. 
  7. this will allow you the add the labels into the blocks provided on the worksheet.

Question 4: follow these steps to answer question 4

  1. use the link provided to read up on long and short sightedness. link https://www.google.com/search?client=opera&q=difference+between+long+sighted+and+short&sourceid=opera&ie=UTF-8&oe=UTF-8
  2. make notes in your classwork book on your findings.
  3. now go to your word document to insert a table.
  4. go to insert on the top bar of word.
  5. now click on the icon that shows/ looks like a table.
  6. insert the amount of rows and columns you will be using for this part of the question.
  7. make sure to give your table a heading.
  8. on the left row first column add in the title long sightedness on the right side add short sightedness.
  9. now take your note book with your notes and start filling in the table to answer questions 4.
  10. alternatively use the link on how to insert a table into word link https://youtu.be/QbbprkeJbLM 
    https://youtu.be/QbbprkeJbLM

     

  11. Tabulate the differences
       
       
       
       

  12. alternatively copy and paste this table onto your word documents with the answers to answer the question.

 

Question 5: Follow these easy steps to answer question 5

  1. use the provided link above to answer question 5.
  2. make a list of diseases associated with eyesight.
  3. write down the diseases.
  4. next to the disease write down a possible treatment for the eye disease.
  5. copy your answers onto your word document.
  6. press save after every question to save your process.
  7. https://youtu.be/6JDgzAqxJyA

     

Question 6: follow these steps.

  1.  draw a mind map.
  2. in the mind map write down your ideas.
  3. once done start your essay.
  4. write an introduction for your essay. The introduction should include the statement thesis for the purpose of writing the essay.
  5. next move onto the body of the Essay. In the body make reference to the following to complete the body.
  6. include the following into the body: the process of the visual perception.
  7. the various labels involves in the process.
  8. in the conclusion sum up your essay. avoid making use of new ideas in the conclusion.
  9. make sure to proofread your work, making close reference to spelling and grammar.
  10. add the work count at the end of the essay in brackets.
  11. use this link to see an example on how to write a essay link : https://www.google.com/search?client=opera&q=video+on+how+to+write+a+good+english+essay&sourceid=opera&ie=UTF-8&oe=UTF-8
Evaluation

MARK ALLOCATION: GUIDELINE TO MARKING THE TASK

WORK INCLUDES  A DETAILED COVER PAGE                 3
ANSWERED ALL QUESTION 1 CORRECT                8
ANSWERED ALL QUESTION 2 CORRECT                9

                                                                                                                                               [TOTAL MARKS: 20]

 

QUESTION 3: LABELLED EYE
      5      4     3     2     1
  • shows clear understanding of the eye.
          

 

  • able to label a given diagram with instructions correctly.
          

                                                                                                                                                     [TOTAL MARKS: 10]

QUESTION 4: TABLE
      5      4     3     2     1
  • able to relative instructions to insert a detailed table
          
  • knows how to label a table correctly.
          
  • Answered the question correctly according to instruction
          

                                                                                                                                                  [TOTAL MARKS: 15]

QUESTION 5: RESEARCH
       5     4     3    2     1
  • followed the instruction correctly: wrote in point form not paragraphs or numbered.
          
  • knows how to use different platforms to discover the answers.
          
  • answered the question correctly.
          

                                                                                                                                                                       [TOTAL MARKS: 15]

 

QUESTION 6: ESSAY
       5     4     3     2    1
  • clear introduction to essay.
          
  • body has different paragraphs and ideas.
          
  • proper conclusion
          
  • included various parts of the eye in explanation.
          
  • used external sources for research
          
  • Harvard style referencing 
          
  • detailed cover page for essay
          
  • answered the question correctly.
          
  • formal language, spelling, grammar
          
  • followed the instruction for the essay.
          

                                                                                                                                                 [TOTAL MARKS:50]

Conclusion

In conclusion, therefore it is clear to see why the Anatomy of the eye is considered the Jewel of the body. The information and activities used is to test how well you understand the Anatomy of the Eye. To reiterate the perception of visuality is the ability to see objects the way they are in regards to size, shape, colour and focus.

That is it for today, Thank you for joining my WebQuest, stay tuned for the next exciting topic... Human ear.

 

Please watch the new video in preparation of the next lesson.

https://youtu.be/qYv9V2qna6I

 

Credits
Teacher Page

Remember Mandela Once said: "Education is the most powerful weapon you can use to change the world". With that being said keep working at it and never give up. Use your knowledge to build the next tomorrow. Use your Education to make the change you want to see. 

There is one rule I live by: do not be another statistic, don't think about the what if and could haves, take the step so that you can say " I took the leap and I did it". Remember failing is but another attempt at a great and better opportunity.

 

Thanks for joining my WebQuest, and remember keep learning!!!!