.
:
, , . . . .
, , , , .
1 ( ) , . . .
.
2 :
.
3 :
; .
4 :
, .
: :
:- . .
.
ѡ .
:-
(( .......))
:
-
:
- / .
- .
- .
- .
- .
- .
- .
- .
- ( ).
- :
.
:
:
- (Sclera):
.
- (Choroid):
ɡ .
- (Retina):
(Optic disc) ( (Photoreceptors) (Optic nerve).
(Fovea) .
- :
- (Viterous):
.
- (Ciliary body):
ɡ .
- / (Eye lens/Crystalline lens):
(Crystallins) 5 9 ( ). 20.000 .
(Hyaloid artery). (Aqueous and vitreous humors).
(Ciliary muscles) (Accommodation) .
ɡ .
- (Iris):
(Pupil).
- : .
- : .
- (Pupil):
ɡ .
ѡ (Pupillary reflex) .
1.5 8 .
ѡ : ( ). ɡ ǡ .
- (Eyebrow):
. .
- (Cornea):
(Aqueous humour) .
- (Anterior chamber):
.
- (Posterior chamber):
.
- (Schlemm canal):
ɡ " " .
- (Intraocular pressure):
.
- (Aqueous humour):
().
(Conjunctiva):
( ) . (Lacrimal gland).
- (Orbit):
" " .
- (Eyelid):
. .
() . ( ) / .. .
- (Eyelash):
ǡ .
- (Collagen):
(Connective tissues). 40% .
: ɡ ( ) . .
ɡ . (Hyaluronic acid).
- (Macula/Macula lutea):
1.5 (ganglion cells). (Fovea) (Cone cells) .
. (Macular degeneration).
* (Lacrimal apparatus):
(Lacrimal gland) (Lacrimal canaliculi) (Lacrimal sac) . (Naso lacrimal duct) .
* :
1- (Lateral rectus muscle):
( " ").
2- (Medial rectus muscle):
.
3- (Superior rectus muscle):
.
4- (Interior rectus muscle):
.
5- (Superior oblique):
.
6- (Interior oblique):
.
(( ))
- .
( ) .
2- ɡ () .
3- .
4- Ρ .
Ρ
.
.
100
.
.
.
( peripheral vision ) ( ) .
( )
.
(peripheral vision ) .
.
.
4 % : 10 % .
.
:
