Chapter 11 Special Senses Flashcards
Ambly/o
Dull, dim
Adnexa
Accessory or adjoining anatomical parts of an organ
Anis/o
Unequal
Blephar/o
Eyelid
-cusis
Hearing
Dacryocyst/o
Lacrimal sac
Tear sac
Dipl/o
Double
Emmetr/o
In proper measure
Eso-
Inward
Glauc/o
Gray
-iasis
Abnormal condition or disease
Kerat/o
Horny
Hard
Cornea
Labyrinth/o
Inner ear
-metry
To measure
Myc/o
Fungus
Mydri/o
Wide
Myring/o
Tympanic membrane
Eardrum
Nyct/o
Nyctal/o
Night
-opia
Vision condition
Peri-
Surrounding
Around
Phac/o
Lens of eye
Phot/o
Light
Pinn/I
External ear
Auricle
Presby/o
Old age
Scler/o
Sclera
White of eye
Hard
Strab/i
Squint
Squint eyes
Tinnit/o
Ringing
Buzzing
Tinkling
Trop/o
Turn
Change
Hordeolum
Stye
Pus filled and often painful lesion on the eyelid resulting from an infection of the sebaceous gland
Periorbital edema
Swelling of tissues surrounding the eye
Swollen eyelids
Allergic reaction
Xerophthalmia
Dry eye
Emmetropia
Normal relationship between reflective power of the eye and the shape of the eye that enables light rays to focus correctly on the retina
Chalazion
Nodule or cyst on eyelid caused by obstruction of sebaceous gland
Ectropion
Eversion of upper edge of eyelid
Entropion
Inversion of upper eyelid
Conjunctivitis
Pink eye
Infection or allergy
Inflammation of conjunctiva
Dacryadenitis
Inflammation of lacrimal gland caused by infection
Iritis
Most common form of uveitis
Affects front of eye
Keratitis
Inflammation of the cornea due to infection
Scleritis
Inflammation of sclera
Infection, chemical injury, autoimmune disease
Anisocoria
Condition in which pupils are unequal in size
Head injury, aneurysm
Cataract
Loss of transparency of lens that cause progressive loss of visual clarity
Associated with aging
Photopsia
Presence of what appears to be flashes of light
Caused by migraines or eye damage
Mydriasis
Dilation of pupil
Disease, trauma, drugs
Papilledema
Choked disk
swelling of optic nerve at point of entrance into eye through optic disk
Retinal detachment
Separation of retina from choroid
Glaucoma
Increased intraocural pressure that causes damage to nerves
Macular degeneration
Gradual progressive condition in which macula at center of retina is damaged
Loss of central vision
Diplopia
Double vision
Multiple sclerosis or brain tumor
Hemianopia
Blindness in one half of visual field
Nyctalopia
Night blindness
Presbyopia
Condition of common changed in eye that occur with aging
Lens less flexible
Muscles become weaker
Strabismus
Eyes point in different directions or are not aligned correctly
Esotropia
Cross eyes
Exotropia
Wall-eye
Ametropia
Error of refraction in which images do not focus properly on retina
Astigmatism
Condition in which eye does not focus properly because of uneven curvatures of cornea
Hyperopia
Far-sightedness defect in which light rays focus beyond the retina
Myopia
Nearsightedness
Defect in which light rays focus in front of retina
Amblyopia
Dimness of vision or partial sight without detectable disease
Visual field testing
Performed to determine losses in peripheral vision
Ophthalmoscopy
Visually examine back part of eye
Mydriatic drops
Produce temporary paralysis
Forces pupils to remain dilated
Slit-lamp opthalmoscopy
Diagnostic
Narrow beam of light permits examination of front eye structures
Fluroescein angiography
Radiographic study of blood vessels in retina
Tonometry
Measure of intraocular pressure
Tarsorrhaphy
Partial or total suturing of eyelids to protect eye when kids are paralyzed
Iridectomy
Surgical removal of iris to treat glaucoma
Vitrectomy
Removal vitreous humor and its replacement with a clear solution
Intraocular lens
Surgically implanted replacement for natural lens
Laser trabeculoplasty
Creating opens in mesh work to allow draining of fluids
Retinopexy
Used to reattach detached area in retinal detachment
Otopyorrhea
Flow of pus from ear
Otorrhea
Any discharge from ear
Barotrauma
Pressure related ear condition
Infectious myringitis
Contagious inflammation that causes painful blisters on ear drum
Otitis media
Inflammation of middle ear
Otosclerosis
Ankylosis of bones in middle ear
Hearing loss
Labrynthitis
Results in vertigo or deafness
Presbycusis
Hearing loss occurs as body ages
Sensorineural hearing loss
Ear hair cells are damaged
Audiometry
Measuring hearing acuity
Tympanometry
Use of air pressure in ear canal to test middle ear disorders
Mastoidectomy
Surgical removal of mastoid cells
Myringotomy
Small surgical incision in ear drum to relieve pressure from pus or fluid or create opening for placement of ear tubes
Cochlear implant
Electronic device that bypasses damaged portions of ear and directly stimulates auditory nerve