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Essentials Human Diseases/Conditions CH 5

Diseases/Disorders Eye And Ear
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Side ASide B
Arteritis
Arterial inflammation
Hyperopia
Farsightedness
Hypertrophied
Enlarged
Myopia
Nearsightedness
Amblyopia
Reduced vision on an eye - no obvious reason
Anklosis
Immobility of a joint
Audiogram
Record of hearing test
Diplopia
Double vision
Hitoplasmosis
Systemic respiratory disease caused by a fungus
Laser Photocoagulation
Coagulation of blood vessels in eye by laser
Macula
Small spot of colored area
Photophobia
Sensitivity to light
Purulent
Containing pus
Seborrhea
Excessive secretion of sebum from sebaceous glands 
Tonometry
Measeurement of intraocular pressure
Toxoplasmosis
disease from protozoa from mammals and birds
Layers of eye
Sclera, choroids, retina
Colorless, transparent portion of eye
Cornea
Classifications of hearing loss
Conductive and senorineural
Symptoms Otosclerosis
Gradual hearing loss of low/soft sounds, tinnitis
Canal that connects middel ear with nasopharynx
Eustachian Tube
Shape of eyeball
Spherical
Structure that maintains balance
Labyrinth
Sensory receptors in retina that detect color and refinement
Cones
Earwax
Cerumen
Jellylike substance in orb
Vitreous Humor
Internal elastic disc that focuses images, near and far
Lens
Cause of Cholesteatoma
Estauchian tube fails to open blocking tube which fills with stuff from recurring ear infections....
Short eyeball
Hyperopia
Long eyeball
Myopia
Cause astigmatism
Nonshperical cornea
Symptoms refractive errors
Blurred vision, fatigue
Most common nystagmus
Congenital
Bacteria responsible for styesD
Staphylococci
Symptoms Keraitits
Decreased vision, irritaion, tearing, photophobia, redness of conjunctiva
Cuase Cataracts
Opacification of lens - aging process
Cure for Macular Degeneration
No
Retinal blood vessels in a diabetic
Diabetic Retinopathy
Causes for ruptured eardrums
Sharp objects, explosion, infection, blow to ear.
Portion that regulates light to eyeD
Iris, colored portion
Four major refractive errors
Hyperopis, Myopia, Astignatism, Presbyopia
Strabismus
Failure of the eyes to look in the same direction, weakness in nerve impluse failing to control...
Esotropia
Inward turning of eyes, crosseyed
Exotropia
Outward turing of eyes
Nonulcerative blepharitis
Exposure to dust, smoke, chemicals
Symptoms Stye
Pain, swelling, redness
Cause Keratitis
Herpes Simplex
Blepharitis
inflamation of the margins of the eyelids, scondary to seborrhea,
BlepharoptosisD
{tpsos. drooping eyelid, age related, familiar and can obstruct vision
Cause Conjunctivitis
Bacterial or viral
Corneal Abrasion
Painful loss of epithelium or outer layer of cornea
Symptoms of ear disease requiring medical attention
Hearing loss, pain, pressure, tinnitus, vomiting
Most common ailment of children
Otits Media
Treatment Blepharitis
Antibiotic Opthalmic oint.
Treatment Bacterial conjunctivitis
Topical Antibiotic
Treatment Glaucoma
Betaxolol, timolol, latanoprost
Use of prescribed meds for open angle glaucoma
Use on regular basis, don't miss doses
Meds used for Macular degeneration
Vitamins A, C, E, Zinc
Treatment Otits Media
Ibuprofen, pseudoephedrine, sulfamethoxazole
Treatment Meniere's Disesase
Meclizine (antivert)
Otosclerosis
Ankylosing of the stapes
Labyrinthitis
Inflamation of the semicircular canal
Conductive hearing loss - causes
Cerumen impaction, otitis media, otosclerosis
Most common cause of blindness in US
Macular degeneration
Process of vision
Light through lens, impact retina, rods/cones stimulated, nerve impluses sent to brain by optic...
Nystagmus
Repetitve/involuntary movement of one/both eyes from abnormality of retina, congenital defects,...
Strabismus
Failure of eyes to look in same direction, muscel/nerve failure, other disease processes
Hordeolum
Stye
Symptoms Conjunctivitis
Redness, swelling, itching, tearing, light sensitivity. Purulent discharge. Highly contacgious.
How do cataracts obstruct sight
Cloudy/opaque lens obstructs light
Diabetic Retinopathy
Microaneurysm, hemorrhages, dilation of retinal veins, neovascularization.
Treatment Diabetic Retinopathy
Laser photocoagulation and vitrectomy
Open Angle Glaucoma
Blockage of travecular meshwork that impairs aqueous humor reabsorption, gradual elevation...
Closed Angel Glaucoma
Blockage in the drainage system of the eye, acute elevation in IOP
Retinal Detachment
Opthalmic exam detects retina tear - partial to total loss of sight.
Causes Exophthalmos
Enlarged Intraocular muscles, retrobulbar mass, edema of soft tissue. Hyperthyroid, hypthyroid,...
Cancer's effect on eye structures
Bone of orbit, soft tissues muscles between globe and bone, optic nerve eyeball itself
Sturctures of ear
Outer auditory cannal and auricle, middle ear: tympanic membrane, three ossicles, ET, oval...
Myringotomy
Surgical incision into ear drum to relieve pressure, provide drainage, allow middle ear to...
Meniere's disease
Vertigo, tinnitus, progressive hearing loss, sensation of fullness in ears, N/V, loss of balance
Major Symptom of Labyrinthitis
Vertigo


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