Eye a p notes

Eye A & PEye A & P

VisionVision• Aka. visual perception• The ability to interpret the

surrounding environment by processing information that is contained in visible light.

• We rely on vision more than any other special sense

Visual SystemVisual System• The various anatomical &

physiological components collectively involved in vision

• Allows individuals to assimilate information from their surroundings.

The EyeThe Eye• The eyes are sophisticated visual instruments!• Roughly spherical• Diameter ~2.5 cm• Weight ~ 8 g• Orbital space = eyeball, muscles, glands, nerves,

blood vessels, fat

Accessory Structures Accessory Structures of the Eyeof the Eye

• Palpebrae• Exocrine

glands• Conjunctiva

• Lacrimal apparatus

• Oculormotor muscles

• Eyelashes • Eyebrows

Notes HandoutNotes Handout

Gross & Superficial Anatomies of the Gross & Superficial Anatomies of the Accessory StructuresAccessory Structures

The Lacrimal ApparatusThe Lacrimal Apparatus

Lateral surface, Lateral surface, right eyeright eye

Anterior view, Anterior view, right eyeright eye

Transverse section, right eyeTransverse section, right eye

Sagittal section, left eyeSagittal section, left eye

Transverse section, right eyeTransverse section, right eye

CorneaCornea

ChoroidChoroid

Circulation of Aqueous HumorCirculation of Aqueous Humor

The Pupillary MusclesThe Pupillary Muscles

Cellular Organization of the RetinaCellular Organization of the Retina

Section through Section through Optic DiscOptic Disc

Retina as Seen Retina as Seen Through PupilThrough Pupil

Structure of Structure of Rods & ConesRods & Cones

Visual PigmentsVisual Pigments

LensLens

Focal Point, Focal Distance, and Visual AccommodationFocal Point, Focal Distance, and Visual Accommodation

Image FormationImage Formation

Eye a p notes

Education

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