Patho - Chapter 15

_measures visual acuity. Snellen Chart _ checks central and peripheral vision. Visual field test _ assess interocular pressure. Tonometry _ examines interior eye structures. Ophthalmoscope _ measures the angle of the anterior chamber. Gonioscopy nearsightedness is also called _. Myopia farsightedness is also called _. hyperopia Farsightedness associated with aging is called _. presbyopia Irregular curvature in the cornea or lense would be diagnosed as _. astigmatism Double vision or paralysis of the upper eyelid is called _. Diplopia Infection involving a hair follicle on the eyelid, usually caused by staphylococci. stye Inflammation or infection involving the conjunctiva. conjunctivitis Eye infection caused by chlamydia trachomatis. trachoma infected cornea, very painful, can be caused by the Herpes simplex virus keratitis * Cataract Macular Degeneration Detached Retina Etiology aging, trauma, or congenital factors aging, genetics, environmental factors marked myopia, aging Pathology progressive clouding of lens Growth of membrane over retina, starting at gocea centralis Retina lifted from choroid as vitreous seeps behind tear, retinal cells stop functioning and may die. Effect on vision progressive blurring and darkening of vision loss of central visionaltered depth perception floaters; light or dark floating spotsgrowing area of blackness in visual field Tx lens removal and replacement limited by typephotoactivated drugslaser treatment scleral bucklinglaser therapy Match the following pathologic findings with the conditions in which they occur. Characterized by clouding of the ocular lens Cataracts Characterized by degeneration of the fovea centralis macular degeneration Treated with cholinergic eye drops glaucoma Characterized by loss of central vision macular degeneration appearances of "halos" around lights Glaucoma increased intraocular pressure Glaucoma infants and young children otitis media Swimmers; frequent users of earplugs or earphones otitis externa beginning in adults between 30-50 years of age Menieres's syndrome