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)