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Astigmatism
Etiology:
Defect in the curvature of the eyeball
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Clinical Manifestations:
Blurring of vision
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Audiometry
Testing of hearing
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Cataract
Etiology:
Clouding of lens
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Clinical Manifestations:
- Symptoms are painless
- Blurred Vision
- Difficult reading fine print
- Diplopia ( Double Vision )
- Photosensitivity
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Conjunctivitis
- Etiology:
- Inflammation of the conjunctiva
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Cryotherapy
Etiology:
A procedure in which a topical anesthetic is used so that a cryoprobe can be placed directly on the surface of the eye
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Diabetic Retinotherapy
- Etiology:Disorder of retinal blood vessels characterized by capillary microaneurysms, hemorrhage, exudates, and the formation of new vessels and connective tissue.
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Clinical Manifestations:
In the advanced stages the pt has progressive vision loss and the presence of "floaters," which are minute products of hemorrhage.
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Enucleation
Etiology:
Surgical removal of eye ball
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Exophthalmos
Etiology:
An abnormal condition characterized by a marked protrusion of the eyeballs
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Glaucoma
Etiology:
-An abnormal condition of elevated pressure within an eye because of obstruction of the outflow of aqueous humor
-Damage of the optic nerve
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Signs & Symptoms:
- Note time of day eye pain occurs
- Complaints of peripheral vision loss
- Halos seen around lights
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Hyperopia
Etiology:
Farsightedness; Can only see far objects
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Keratitis
Etiology:
An inflammation of the cornea
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Signs & Symptoms
- Eye Pain
- Redness
- Decreased Vision
- Dry Eye Syndrome
- Blepharitis ( inflammation of eyelids )
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Keratoplasty
Etiology:
Excision of the corneal tissue, followed by surgical implantation of a cornea from another human donor
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Labyrinthitis
Etiology:
Inflammation of the labyrinthine canals of the inner ear
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Mastoiditis
Etiology:
Infection of one of the mastoid bones
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Miotics
Etiology:
Causing constriction of the pupil of the eye
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Mydriatic
- Etiology:
- Causing pupillary dilation
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Myopia
Etiology:
Nearsightedness; Can only see near
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Myringotomy
Etiology:
A surgical incision of the tympanic membrane to relieve pressure and release purulent exudate from the middle ear
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Radial Keratotomy
Etiology:
Microscopic incisions on the surface of the cornea outside the optical area. These eight spokelike incisions flatten the cornea to a more normal curvature, thus reducing or eliminationg myopia ( nearsightedness )
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Retinal Detachment
Etiology:
Separation of the retina from the choroid in the posterior of the eye
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Signs & Symptoms:
-Patient complainting of flashing lights unilaterally and floaters
- Loss of a specific field of vision
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Sjogren Syndrome
Etiology:
Dry eye syndrome
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Snellen's Test
Etiology:
Eye chart test
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Stapedectomy:
Etiology:
The removal of the stapes of the middle ear and insertion of a graft and prosthesis ( a device, either external or implanted, that substitutes for orsupplements a missing or defective part of the body )
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Strabismus
Etiology:
Cross - Eyed
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Tinnitus
Etiology:
A subjective noise sensation in one or both ears; Ringing sound in the ear
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Tympanoplasty
Etiology:
One of several operative procedures on the eardrum or ossicles (a small bone) of the middle ear designed to restore or improve hearing in patients with conductive hearing loss
Simple Def: Tympanoplasty is a surgery done to repair the eardrum and middle ear bones. The eardrum and bones are necessary to hear.
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Vertigo
Etiology:
The sensation that the outer world is revolving about oneself or that one is moving in space
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