Summary PUPILARY REFLEX

Pupillary Reflexes
Introduction :
-




the
°


Pupillary reflexes are the visceral
reflexes which alter size g
pupil .




.
Three
types :


( as
light reflex
b) Cibo
(
reflex
spinal
(c , Accommodation reflex .




Light Reflex :




o

light reflex in the
reflex in which
pupil constricts when
light
in
flashed into
eyes
.




called
It in also
Pupillary light reflex
•
.




•

light reflex in
of two
types :




Direct
ca )
light reflex
bi Indirect
(
light nflen .




constriction
Direct
light reflex :
of pupil og one
eye
when
light in

thrown .




Indirect It involves constriction both
light nflen :
of pupil in
eyes
into
in hen
light in thrown one
eye
.




Pathway for light mflen :




I,





I,