Chapter 11 Flashcards
Canthus
Corner of eyes
canth
Corner of eye
tarsus
framework within the upper and lower eyelids that provides the necessary stiffness and shape
conjunctiva
Thing membrane over the eye
sclera
White of the eyes
choroid
Opaque middle layer of the eye with many blood vessels
Retina
Sensitive inner most membrane of the eye
Aqueous Humor
Fluid which fills the eye
macula
Small light sensitive spot in the back of the eye allowing for fine focus
fovea centralis
area where the best color perception is
Optic Disc
Blind spot where the optic nerve is, no rods or cones
Uvea
pigmented layer of the eye
Accomidation
the process whereby the eyes make adjustments for seeing objects at various distances.
Convergence
the simultaneous inward movement of the eyes toward each other.
Emmetropia
the normal relationship between the refractive power of the eye and the shape of the eye that enables light rays to focus correctly on the retina
emmetr
In a balanced relationship
Opthamologist
a physician who specializes in diagnosing and treating the full spectrum of diseases and disorders of the eyes, from vision correction to eye surgery
optimologist
provides primary eye care, including diagnosing eye diseases and conditions, and measuring the accuracy of vision to determine whether corrective lenses are needed
Ptosis
Sagging of the upper eye lids
Chalazoin
nodule or cyst, usually on the upper eyelid, caused by obstruction of a sebaceous gland.
hordeolum
stye/a pus-filled and often painful lesion on the eyelid resulting from an acute infection in a sebaceous gland.
blephar
Eyelid
Ectropoin
Eversion of the eyelid
Entropin
Inversion of the eyelids