Chapter 15 Flashcards
Opacity that forms on the lens and impairs vision
Cataract
Complete color blindness
Achromatopsia
Inability to see well in dim light
Nyctalopia
Instrument for examining the angle of the anterior chamber of the eye
Gonioscope
Complete deafness
Anacusis
Infection of the external auditory canal
Otitis externa
Measurement of refractive errors
Diopter
Instrument that measures the internal pressure of the eye
Tonometer
Area in which objects are seen when the eye is in a fixed position
Visual field
Abnormal overflow of tears
Epiphora
A condition in which one eye is misaligned with the other eye; also called heterotropia
Strabismus
Disorder of the labyrinth that leads to progressive hearing loss
Meniere Disease
Refers to the wet form of macular degeneration
Neovascular
Feeling of dizziness or spinning
Vertigo
Outward deviation of the eye
Extropia
Removal of the eye
Enucleation
Tumor of the eyelid
Chalazion
“Lazy eye” syndrome
Amblyopia
Neoplastic disease of the eye found primarily in children
Retinoblastoma
Perception of ringing in the ears with no external stimuli
Tinnitus
Test that uses different temperatures to assess the vestibular portion of the nerve
Caloric stimulation test
Visual examination of the interior of the eye
Opthalmoscopy
Artificial device that produces hearing sensations by electrically stimulating nerves inside the inner ear
Cochlear implant
Assess blood vessels and retinal circulation using a colored dye while photographs are taken
Fluorescein angiography
Corrective surgery for large, small, or deformed ears
Otoplasty
Agents that dilate the pupils and paralyze the eye muscles of accommodation
Mydriatics
Measurement of the intraocular pressure for detecting glaucoma
Tonometry
Determines the smallest letters that can be read on a standardized chart
Visual acuity test
Removal of the contents of the eyeball, leaving the sclera and cornea
Evisceration
Treat and prevent nausea, vomiting, dizziness, and vertigo
Antiemetics
Loosen and help remove impacted cerumen
Wax emulsifiers
Removal of the entire eyeball from its orbit
Enucleation
Esotropia
ST
Constrict small arterioles of the eye to decrease redness and conjunctival congestion
Opthalmic decongestants
Extropia
XT
Visual examination of the angle of the anterior chamber of the eye
Goniscopy
Visual examination of the external auditory canal
Otoscopy
Measurement of hearing acuity at various frequencies
Audiometry
Surgical treatment for nearsightedness that uses small incisions to flatten the cornea
Radial keratotomy
Provide temporary relief from earache
Optic analgesics
Severe congenital deficiency in color perception
Achromatopsia
Inflammation of the conjunctiva with vascular congestion, producing a red or pink eye (viral, bacterial, fungal, or allergy)
Conjunctivitis
Medial movement of the two eyeballs so that they are both directed at the object being viewed
Convergence
Measurement of refractive error
Diopter
Eversion, or outward turning, of the edge of the lower eyelid
Ectropion
State of normal vision
Emmetropia
Inversion or inward turning of the edge of the lower eyelid
Entropion
Protrusion of one or both eyeballs
Exophthalmos
Localized, circumscribed, inflammatory swelling of one of the several sebaceous glands of the eyelid, generally caused by a bacterial infection; also called a stye
Hordeolum
Visual distortion of objects
Metamorphopsia
Impaired vision in dim light; aka night blindness
Nyctalopia
Involuntary eye movements that appear jerky and may reduce vision or be associated with other, more serious conditions that limit vision
Nystagmus
Edema and hyperemia of the optic disc usually associated with increased intracranial pressure
Papilledema
Unusual tolerance and sensitivity to light
Photophobia
Loss of accommodation of the crystalline lens associated with the aging process
Presbyopia
Any disorder of retinal blood vessels
Retinopathy
Chronic, contagious form of conjunctivitis common in southwestern US that typically leads to blindness
Trachoma
Complete deafness
Anacusis
Blocking of sound waves as they pass through the external and middle ear (conduction pathway)
Conduction impairment
Inflammation of the inner ear that usually results from an acute febrile process
Labyrinthitis
Condition caused by the destruction of hair cells, the organs responsible for hearing, caused by sounds that are “too long, too loud, or too close”
Noise-induced hearing loss
Impairment of hearing resulting from old age
Presbyacusis
Tubes that are inserted through the tympanic membrane, commonly to treat chronic otitis media
Pressure equalizing tubes
Method of assessing and recording eye movements by measuring electrical activity of the extraocular muscles
Electronystagmography
Measurement of the blood pressure of the retinal vessels
Opthalmodynamometry
Evaluation of intraocular pressure by measuring the resistance of the eyeball to indentation by an applied force
Tonometry
Evaluation of refractive errors of the eye by projecting a light into the eyes and determining the movement of reflected light rays
Retinoscopy
Radiographic imaging procedures of the nasolacrimal glands and ducts
Dacryocystography
Exercises intended to improve eye movements or visual tracking that use training glasses, prism glasses, or tinted or colored lenses
Orthoptic training
Cosmetic surgery that removes fatty tissue above and below the eyes that commonly form as a result of the aging process or excessive exposure to the sun
Blepharoplasty
Formation of an opening between the anterior chamber and the suprachoroidal space for the draining of aqueous humor in glaucoma
Cyclodialysis
Surgical opening of a cavity within the mastoid process
Mastoid antrotomy
Method of treating cataracts by using ultrasonic waves to disintegrate a cloudy lens, which is then aspirated and removed
Phacoemulsification
Incision of the cornea for treatment of nearsightedness or astigmatism
Radial keratotomy
Surgical formation of an opening of the sclera
Sclerostomy
Method used to evaluate sound conduction using a vibrating tuning fork
Tuning fork test
Tuning fork test that evaluates bone conduction (BC) versus air conduction (AC) of sound
Rinne test
Tuning fork test that evaluates bone conduction of sound in both ears at the same time
Weber test
Reconstruction of the eardrum, commonly due to perforation; also called myringoplasty
Tympanoplasty
Inhibit growth of microorganisms that infect the eye
Eye antibiotics Opthalmic Erythromycin base
Decrease aqueous humor production by constricting the pupil to open the angle between the iris and cornea
Antiglaucoma agents Timolol Acetazolamide
Drugs that disrupt parasympathetic nerve supply to the eye, decreasing redness and relieving conjunctival congestion
Mydriatics Atropine sulfate
Constrict the small arterioles of the eye, decreasing redness and relieving conjunctival congestion
Opthalmic decongestion Tetrahydrozoline
Soothe dry eyes due to environmental irritants and allergens
Opthalmic moisturizers Buffered isotonic solutions
Treat and prevent nausea, vomiting, dizziness, and vertigo by reducing the sensitivity of the inner ear to motion or inhibiting stimuli
Ear antiemetics Meclizine
Error of refraction when light rays fail to focus sharply on the retina
Ametropia
Farsightedness
Hyperopia Hypermetropia
Form of farsightedness related to aging
Presbyopia
Form of ametropia in which cornea or lens has a defective curvature
Astigmatism
Procedure that changes the shape of the cornea as an alternative to corrective lenses
Laser-assisted in situ keratomileusis LASIK
Opacities that form on the lens and impair vision
Cataracts
Treatment for clouded lens by emulsifying it using ultrasound or a laser probe; typically referred to as small incision cataract surgery SICS (cataract is broken down into small pieces that can be removed through the tiny incision)
Phacoemulsification
Increased intraocular pressure caused by the failure of aqueous humor to drain from the eye through a tiny duct called canal of schlemm
Glaucoma
Chronic form of glaucoma
Open angle Simple Wide angle
Acute form of glaucoma
Angle closure Narrow angle glaucoma
Glaucoma is diagnosed by this; screening test that measures intraocular pressure by determining the resistance of the eyeball to indentation by an applied force
Tonometry
Measures intraocular pressure
Tonometer
Visualizes the anterior chamber angle
Gonioscope
Test of tonometry that uses numbing drops
Applanation tonometry
Medication that make pupils constrict
Miotics
Also called heterotropia or tropia; condition in which one eye is misaligned with the other and the eyes don’t focus simultaneously
Strabismus
Misalignment of the eyes inward
Esotropia
Misalignment of eyes outward
Extropia
Binocular perception of depth or three dimensional space
Stereopsis
Lazy eye syndrome
Amblyopia
Deterioration of the macula
Macular degeneration
More severe form of macular degeneration. Small blood vessels form under the macula…blood and fluid leak from these vessels and destroy visual cells
Wet or neovascular age related macular degeneration
Laser surgery to destroy neovasculation in age related macular degeneration
Laser photocoagulation
Form of ARMD in which small yellowish deposits called drusen develop on the macula and interfere with central vision
Dry ARMD
Pain
Synalgia
Inflammation of middle ear
Otitis media
Pus draining from the ear
Otopyorrhea
Infection of mastoid process
Mastoiditis
Inflammation of brain tissue near middle ear
Otoencephalitis
Meds to relieve pain
Analgesic
Incision of the eardrum
Myringotomy, tympanotomy
Help drain fluid from middle ear
Pressure equalizing tubes
Abnormal hardening of bones in middle ear that cause hearing loss
Otosclerosis
Removing part of the stapes
Stapedectomy
Name two neoplastic diseases
Retinoblastoma Melanoma
Removal of affected eyes as a treatment for retinoblastoma
Enucleation
Cataract
Opacity that forms on the lens and impairs vision
Achromatopsia
Complete color blindness
Nyctalopia
Inability to see well in dim light
Gonioscope
Instrument for examining the angle of the anterior chamber of the eye
Anacusis
Complete deafness
Otitis externa
Infection of the external auditory canal
Diopter
Measurement of refractive errors
Tonometer
Instrument that measures the internal pressure of the eye
Visual field
Area in which objects are seen when the eye is in a fixed position
Epiphora
Abnormal overflow of tears
Strabismus
A condition in which one eye is misaligned with the other eye; also called heterotropia
Meniere Disease
Disorder of the labyrinth that leads to progressive hearing loss
Neovascular
Refers to the wet form of macular degeneration
Vertigo
Feeling of dizziness or spinning
Extropia
Outward deviation of the eye
Enucleation
Removal of the eye
Chalazion
Tumor of the eyelid
Amblyopia
“Lazy eye” syndrome
Retinoblastoma
Neoplastic disease of the eye found primarily in children
Tinnitus
Perception of ringing in the ears with no external stimuli
Caloric stimulation test
Test that uses different temperatures to assess the vestibular portion of the nerve
Opthalmoscopy
Visual examination of the interior of the eye
Cochlear implant
Artificial device that produces hearing sensations by electrically stimulating nerves inside the inner ear
Fluorescein angiography
Assess blood vessels and retinal circulation using a colored dye while photographs are taken
Otoplasty
Corrective surgery for large, small, or deformed ears
Mydriatics
Agents that dilate the pupils and paralyze the eye muscles of accommodation
Tonometry
Measurement of the intraocular pressure for detecting glaucoma
Visual acuity test
Determines the smallest letters that can be read on a standardized chart
Evisceration
Removal of the contents of the eyeball, leaving the sclera and cornea
Antiemetics
Treat and prevent nausea, vomiting, dizziness, and vertigo
Wax emulsifiers
Loosen and help remove impacted cerumen
Enucleation
Removal of the entire eyeball from its orbit
ST
Esotropia
Opthalmic decongestants
Constrict small arterioles of the eye to decrease redness and conjunctival congestion
XT
Extropia
Goniscopy
Visual examination of the angle of the anterior chamber of the eye
Otoscopy
Visual examination of the external auditory canal
Audiometry
Measurement of hearing acuity at various frequencies
Radial keratotomy
Surgical treatment for nearsightedness that uses small incisions to flatten the cornea
Optic analgesics
Provide temporary relief from earache
Achromatopsia
Severe congenital deficiency in color perception
Conjunctivitis
Inflammation of the conjunctiva with vascular congestion, producing a red or pink eye (viral, bacterial, fungal, or allergy)
Convergence
Medial movement of the two eyeballs so that they are both directed at the object being viewed
Diopter
Measurement of refractive error
Ectropion
Eversion, or outward turning, of the edge of the lower eyelid
Emmetropia
State of normal vision
Entropion
Inversion or inward turning of the edge of the lower eyelid
Exophthalmos
Protrusion of one or both eyeballs
Hordeolum
Localized, circumscribed, inflammatory swelling of one of the several sebaceous glands of the eyelid, generally caused by a bacterial infection; also called a stye
Metamorphopsia
Visual distortion of objects
Nyctalopia
Impaired vision in dim light; aka night blindness
Nystagmus
Involuntary eye movements that appear jerky and may reduce vision or be associated with other, more serious conditions that limit vision
Papilledema
Edema and hyperemia of the optic disc usually associated with increased intracranial pressure
Photophobia
Unusual tolerance and sensitivity to light
Presbyopia
Loss of accommodation of the crystalline lens associated with the aging process
Retinopathy
Any disorder of retinal blood vessels
Trachoma
Chronic, contagious form of conjunctivitis common in southwestern US that typically leads to blindness
Anacusis
Complete deafness
Conduction impairment
Blocking of sound waves as they pass through the external and middle ear (conduction pathway)
Labyrinthitis
Inflammation of the inner ear that usually results from an acute febrile process
Noise-induced hearing loss
Condition caused by the destruction of hair cells, the organs responsible for hearing, caused by sounds that are “too long, too loud, or too close”
Presbyacusis
Impairment of hearing resulting from old age
Pressure equalizing tubes
Tubes that are inserted through the tympanic membrane, commonly to treat chronic otitis media
Electronystagmography
Method of assessing and recording eye movements by measuring electrical activity of the extraocular muscles
Opthalmodynamometry
Measurement of the blood pressure of the retinal vessels
Tonometry
Evaluation of intraocular pressure by measuring the resistance of the eyeball to indentation by an applied force
Retinoscopy
Evaluation of refractive errors of the eye by projecting a light into the eyes and determining the movement of reflected light rays
Dacryocystography
Radiographic imaging procedures of the nasolacrimal glands and ducts
Orthoptic training
Exercises intended to improve eye movements or visual tracking that use training glasses, prism glasses, or tinted or colored lenses
Blepharoplasty
Cosmetic surgery that removes fatty tissue above and below the eyes that commonly form as a result of the aging process or excessive exposure to the sun
Cyclodialysis
Formation of an opening between the anterior chamber and the suprachoroidal space for the draining of aqueous humor in glaucoma
Mastoid antrotomy
Surgical opening of a cavity within the mastoid process
Phacoemulsification
Method of treating cataracts by using ultrasonic waves to disintegrate a cloudy lens, which is then aspirated and removed
Radial keratotomy
Incision of the cornea for treatment of nearsightedness or astigmatism
Sclerostomy
Surgical formation of an opening of the sclera
Tuning fork test
Method used to evaluate sound conduction using a vibrating tuning fork
Rinne test
Tuning fork test that evaluates bone conduction (BC) versus air conduction (AC) of sound
Weber test
Tuning fork test that evaluates bone conduction of sound in both ears at the same time
Tympanoplasty
Reconstruction of the eardrum, commonly due to perforation; also called myringoplasty
Eye antibiotics Opthalmic Erythromycin base
Inhibit growth of microorganisms that infect the eye
Antiglaucoma agents Timolol Acetazolamide
Decrease aqueous humor production by constricting the pupil to open the angle between the iris and cornea
Mydriatics Atropine sulfate
Drugs that disrupt parasympathetic nerve supply to the eye, decreasing redness and relieving conjunctival congestion
Opthalmic decongestion Tetrahydrozoline
Constrict the small arterioles of the eye, decreasing redness and relieving conjunctival congestion
Opthalmic moisturizers Buffered isotonic solutions
Soothe dry eyes due to environmental irritants and allergens
Ear antiemetics Meclizine
Treat and prevent nausea, vomiting, dizziness, and vertigo by reducing the sensitivity of the inner ear to motion or inhibiting stimuli
Ametropia
Error of refraction when light rays fail to focus sharply on the retina
Hyperopia Hypermetropia
Farsightedness
Presbyopia
Form of farsightedness related to aging
Astigmatism
Form of ametropia in which cornea or lens has a defective curvature
Laser-assisted in situ keratomileusis LASIK
Procedure that changes the shape of the cornea as an alternative to corrective lenses
Cataracts
Opacities that form on the lens and impair vision
Phacoemulsification
Treatment for clouded lens by emulsifying it using ultrasound or a laser probe; typically referred to as small incision cataract surgery SICS (cataract is broken down into small pieces that can be removed through the tiny incision)
Glaucoma
Increased intraocular pressure caused by the failure of aqueous humor to drain from the eye through a tiny duct called canal of schlemm
Open angle Simple Wide angle
Chronic form of glaucoma
Angle closure Narrow angle glaucoma
Acute form of glaucoma
Tonometry
Glaucoma is diagnosed by this; screening test that measures intraocular pressure by determining the resistance of the eyeball to indentation by an applied force
Tonometer
Measures intraocular pressure
Gonioscope
Visualizes the anterior chamber angle
Applanation tonometry
Test of tonometry that uses numbing drops
Miotics
Medication that make pupils constrict
Strabismus
Also called heterotropia or tropia; condition in which one eye is misaligned with the other and the eyes don’t focus simultaneously
Esotropia
Misalignment of the eyes inward
Extropia
Misalignment of eyes outward
Stereopsis
Binocular perception of depth or three dimensional space
Amblyopia
Lazy eye syndrome
Macular degeneration
Deterioration of the macula
Wet or neovascular age related macular degeneration
More severe form of macular degeneration. Small blood vessels form under the macula…blood and fluid leak from these vessels and destroy visual cells
Laser photocoagulation
Laser surgery to destroy neovasculation in age related macular degeneration
Dry ARMD
Form of ARMD in which small yellowish deposits called drusen develop on the macula and interfere with central vision
Synalgia
Pain
Otitis media
Inflammation of middle ear
Otopyorrhea
Pus draining from the ear
Mastoiditis
Infection of mastoid process
Otoencephalitis
Inflammation of brain tissue near middle ear
Analgesic
Meds to relieve pain
Myringotomy, tympanotomy
Incision of the eardrum
Pressure equalizing tubes
Help drain fluid from middle ear
Otosclerosis
Abnormal hardening of bones in middle ear that cause hearing loss
Stapedectomy
Removing part of the stapes
Retinoblastoma Melanoma
Name two neoplastic diseases
Enucleation
Removal of affected eyes as a treatment for retinoblastoma