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Summary Notes on the Human Eye (parts, functions, defects) $8.52   Add to cart
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Summary Notes on the Human Eye (parts, functions, defects)
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  • Course
  • Life Sciences
  • Institution
  • 11th Grade

10 page notes on the Human eye and about it all functions. Detailed and easy to understand notes. Includes break down of the different parts with their functions and structure and describes how the eye works. Included the 4 main visual defects, their causes and their treatments

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Document information

  • June 13, 2023
  • 10
  • 2022/2023
  • Summary

Subjects

  • ieb

Written for

  • 11th Grade
  • Life Sciences
  • 200
All documents for this subject (322)

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Available practice questions

The Eye, Internal and External

Flashcards 11 Flashcards
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Flashcards 11 Flashcards
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Some examples from this set of practice questions

1.

What are the external features of the eye?

Answer: 1. lachrymal gland- produces salty tears; washes away dust; keeps Conjuctivita moist 2. glands of Meiboom - secrete oily fluid to lubricate the eyeball 3. eyeball+eyelids - protect the eye from dust, too much light and foreign bodies

2.

What is the main function(s) of Conjunctiva?

Answer: 1. pain receptors which close the eye on reflex 2. Lubricates the eyes to prevent drying

3.

What is the main function(s) of the Sclera

Answer: 1. Protects internal parts of eye 2.Provides point of attachment for 6 extrinsic muscles 3. Maintains shape of the eye

4.

What are the main functions of the Cornea?

Answer: 1. Allows light-rays to pass trough light sensitive cells 2. Causes converging refraction of light-rays

5.

Which (rods/cones) respond to high-intensity light?

Answer: Cones

6.

Which (rods/cones) respond to low intensity light?

Answer: Rods

Content preview

Honan Eye
where 1S he aye sitva ted 7
it is At nto a bony Secket Itated in anterory craniom,
ks postiored by 6 external mscles whch ontd tt's. tnevement.
ls ashoned by pcsteriorly atty Hssue.

Exkernal features of he eye
lachrymalgicnd-produces Salty teors
washeS awau dust
-keeçs onjcHvita most
-tear Meuw

Sand
Meiboon
Secrebe oil flotd
tear duct dran excess
to icorlcafe the yebal cyelashes teyel1ds floid into ragal auty
-prckect the eye fam dust,
too mUch tije and erelgn
boclies


nternol srucBure o the eye


chiary,. Solero
SUSpesor Chorold
liactment
anfenor Cavit
th agyeCUshuor
Retna
lens
pupil
Corea
Nellaw gpat
Conjunciva
withcentrol ovee
psiertoruty blind spot
uth vitreos humo optic neve?

, A, LayerS of the wall at the cye.
. Outer fbrous caat.

Conjanchva
delicate mucous membrane that covers the breont
the gs and lines the eyelds.
, n receptors unch relegively clese the eyés spreuensig::
fore.gn bodies Pren enterirg.
2. Lubtcates eyes to prevent them from drying aut

Sclera
taugh hite inelastc layer made upa cohnechve tiouve
and coves 5l6 o he eyebdl.
I. Pro fecks nternal pack ot eye.
a. Provides points t attachment for 6 atriosie muscle
3. Maintains shape at the eye

Cornea
Coninuaton of sclerc, 6 l eyeball,
G more convex (ouigu)
transarent (no bleod vegsel)
Ocovered by conjnchva
. Alous_ ioht-rays to ass thrugh hght sesitlve cels.
2. Causes converqiq rehachon of ight
raus.
2 Hiddle vascalar layer
Chorold.
-_thin dare ayer ontaning oomentr and Bood
1.Ponent asorbs excess Ilght b prevent iury vsion (rlechonVeSSes.
in eye)

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