The Human E!le & The Colorful World
Ultimate Visual Stud� Notes - Ph�sics & Optical Phenomena
DISPERSION
OF LIGHT
(VIBGYOR)
Glass Prism
Exam Focus:
Anatomy, Lens
Defects, Prisms, and
Atmospheric Optics.
BlueP.rint of the Biological Camera
[Cornea:
Thin bulging membrane.
..
r queous & Vitreous Humour:
Aqueous = Nutrition;
/, Vitreous= Support/Shape.
}
80% of refraction , .. . .
happens here!
· Iris & PuP.il: Retina: The screen.
Wl&---i Contains Light-sensitive cells
�Iris (muscle) controls (Rods ➔ intensity/low light,
the size of the Pupil
(the hole). Cones ➔ color/bright light).
Crystalline Lens:
[Convex, flexible lens.
Forms r�al & inverted im · ·
QP.tic Nerve:
CiliarY. Muscles: {Sends electrical signals
Adjust focal length.
'
to the brain.
�
. . . . . . . .
:. Power.
. . . . . .
ofi. . Accommoclation
'
:(The :Au+o�Focus)
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
' ' ' ' .
. I. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I.
. :-The abilit� of the e�e lens -to -adjust its focal- length based on object distance.:
·l· . ·-· ·-· . ·-· ._ . . ·- · ·-· · -·- · ·-· •-·- · ·-· ·-· . ·-· ·-· . ·- · ·-· · -·- · ·-· · -•- · ·-· ·-· . ._t
.' . . . . . . .
' ' ' . . ' ' ' ' . . . . .
' ' . ' ' '
:D.ist4n:t Vision (F�r: PoJnt: :OC?):= : Ne.ar Vision:
: �il(ary _Muscles _Rela�e� �- L�ns becomes '_PoJla' (T�in_) : Ciliary Mu_sdes �o�t�aded ➔ L_ens becomes 'M�tfo' (Thick)
: ":.Focal_ Len_gth _ (�) ! �- P��er (P) J,. : _ _ _ . _ _ : ➔ �o_cal _Leng+� �f� * : �- Power �P� !: . .
Ultimate Visual Stud� Notes - Ph�sics & Optical Phenomena
DISPERSION
OF LIGHT
(VIBGYOR)
Glass Prism
Exam Focus:
Anatomy, Lens
Defects, Prisms, and
Atmospheric Optics.
BlueP.rint of the Biological Camera
[Cornea:
Thin bulging membrane.
..
r queous & Vitreous Humour:
Aqueous = Nutrition;
/, Vitreous= Support/Shape.
}
80% of refraction , .. . .
happens here!
· Iris & PuP.il: Retina: The screen.
Wl&---i Contains Light-sensitive cells
�Iris (muscle) controls (Rods ➔ intensity/low light,
the size of the Pupil
(the hole). Cones ➔ color/bright light).
Crystalline Lens:
[Convex, flexible lens.
Forms r�al & inverted im · ·
QP.tic Nerve:
CiliarY. Muscles: {Sends electrical signals
Adjust focal length.
'
to the brain.
�
. . . . . . . .
:. Power.
. . . . . .
ofi. . Accommoclation
'
:(The :Au+o�Focus)
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
' ' ' ' .
. I. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I.
. :-The abilit� of the e�e lens -to -adjust its focal- length based on object distance.:
·l· . ·-· ·-· . ·-· ._ . . ·- · ·-· · -·- · ·-· •-·- · ·-· ·-· . ·-· ·-· . ·- · ·-· · -·- · ·-· · -•- · ·-· ·-· . ._t
.' . . . . . . .
' ' ' . . ' ' ' ' . . . . .
' ' . ' ' '
:D.ist4n:t Vision (F�r: PoJnt: :OC?):= : Ne.ar Vision:
: �il(ary _Muscles _Rela�e� �- L�ns becomes '_PoJla' (T�in_) : Ciliary Mu_sdes �o�t�aded ➔ L_ens becomes 'M�tfo' (Thick)
: ":.Focal_ Len_gth _ (�) ! �- P��er (P) J,. : _ _ _ . _ _ : ➔ �o_cal _Leng+� �f� * : �- Power �P� !: . .
