Eye Anatomy Flashcards
The lateral margin of the eye is what facial bone?
Zygomatic bone
The infraorbital margin of the eye is what bone?
Maxillary bone
The posterior portion of the eye is made up of what bone?
Sphenoid bone
The Medial border of the eye is made up of what bones? (4)
Lacrimal
Ethmoid
Maxillary
Sphenoid
The orbit of the eye has a “floor” made up of which bones?
Maxillary
Zygomatic
Palatine
Sclera can be described as?
White layering of the eye
The pupil can be described as?
Dark central aperture of the eye
The Iris can be described as?
Pigmented contractile tissue
The conjuctiva can be described as?
Thin mucous membrane covering the sclera and lines inside of eyelid
The cornea can be described as?
Transparent covering, involved in focusing light rays entering the eye
What are Rods and Cones?
Photoreceptors on the posterior surface
What contains no rods or cones, causing a blind spot?
Optic Nerve
What muscle controls downward eye movement?
Inferior Rectus
What eye muscle controls medial eye movement?
Medial Rectus
What eye muscle controls upward movement?
Superior Rectus
What eye muscle controls lateral movement?
Lateral Rectus
What eye muscle controls adduction and elevation?
Inferior Oblique
What eye muscle controls abduction and depression?
Superior Oblique
Define Emmetropia
20/20 vision
Define Myopia
Nearsightedness
Define Hypermetropia
Farsightedness
Patient reports loss of visual field. Described as curtain being pulled over. Most likely indicates?
Detached retina
Define Iritis
Inflammation of the iris - “red eye” appearance due to minor blunt trauma
Define Hyphema
Blood in anterior chamber of eye
Black specks on sclera may indicate?
Ruptured globe
Supraorbital margin of the eye is what facial bone?
Frontal bone
