Assessment of the Special Senses Flashcards
Transmits visual stimuli
Eyes
The focus on the eyes
Structure and Function
Protects from foreign bodies
Eyelids
Secretes all oily substances
Meibomian Glands
Compiled subjected points
Lateral Canthus and Medial Canthus
Drains tears
Puncta
Contains sebaceous glands
Caruncle
Rendered white spaces in between
Palpebral Fissure
Projection of hair curving
Eyelashes
Thin, transparent, continuous membrane divided nonetheless
Conjunctiva
Two Layers of Conjunctiva
Palpebral Conjunctiva
Bulbar Conjunctiva
Lubricates Eyes
Lacrimal Apparatus
Produces tears
Lacrimal Gland
Empty tears
Lacrimal Canals
Channels Eyes
Nasolacrimal Duct
Four Rectus Muscles
Superior
Inferior
Lateral
Medial
Two Oblique Muscles
Superior
Inferior
Sclera / Cornea
External Layer of the Eyes
First layer supporting the Eye
Sclera
Second layer passing light across
Cornea
Iris / Ciliary Body / Choroid Layer
Middle Layer of the Eyes
Eyes’ color
Iris
Eyes’ control
Ciliary Body
Eyes’ content
Choroid Layer
Central aperture
Pupil
Biconvex aperture
Lens
Highly sensitive to light
Rods
Highly sensitive to color
Cones
Cream-colored
Optic Disc
Depressed disc
Physiologic Cup
Bright red
Arterioles
Dark red
Venules
Retinal depression
Fovea Centralis
Rest of the bound
Macula
Between the Cornea and Iris
Anterior Chamber
Between the Iris and Lens
Posterior Chamber
Cleans and nourish Cornea and Lens from Ciliary Body to Canal of Schlemma
Aqueous Humor
Clear and gelatinous
Vitreous Humor
Cranial Nerves
III - Oculomotor
IV - Trochlear
VI - Abducens
Person sees in one compelled eye
Visual Field
Light rays strike
Visual Perception
Nerve fibers from nasal quadrant
Optic Chiasma
Mainly constricts
Pupillary Light Reflex
Constriction occurs exposed to light
Direct Reflex
Constriction occurs exposed to opposite
Indirect Reflex