CHAPTER 14 ♥ ♫ THE SPECIAL SENSES
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| Ambiopia | double vision; diplopia
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| Blepharoptosis | drooping of the upper eyelid.
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| Blepharospasm | twitching of the eyelid muscles.
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| Conjunctivitis | inflammation of the conjunctiva of the eye
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| Cycloplegia | paralysis of the ciliary muscle of the eye.
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| Dacryoadenitis | inflammation of the lacrimal (tear) gland.
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| Dacryorrhea | excessive flow of tears.
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| Diplopia | double vision; ambiopia.
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| Ectropion | eversion (turning outward) of the edge of the eyelid.
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| Entropion | inverion (turning inward) of the edge of the eyelid.
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| Episcleritis | inflammation of the outermost layers of the sclera.
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| Esotropia | crosseyes.
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| Exotropia | walleye.
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| Extraocular | pertaining to the outside of the eye.
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| Floaters | one or more spots that appear to drift, or "float" across the visual field.
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| Hemianopia. | loss of vision, or blindness, in one -half of the visual field.
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| Keratomycosis | fungal growth present on the cornea.
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| Lacrimation | secretion of tears from the lacrimal glands.
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| Miotic | an agent that causes the pupil of the eye to constrict.
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| Mydriasis | abnormal dialatation of the pupil of the eye.
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| Mydriatic | an agent that causes the pupil of the eye to dilate.
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| Nasolacrimal | pertaining to the nose and the lacrimal (tear) ducts.
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| Nystagmus | involuntary, rhythmic jerking movements of the eye.
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| Ophthalmologist | a medical doctor who specializes in the comprehensive care of the eyes and visual system in the prevention and treatment of eye disease and injury.
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| Ophthalmology | the branch of medicine that specializes in the study of the diseases and disorders of the eye.
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| Optometrist | responsible for the exam of the eye.
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| Photophobia | abnormal sensitivity to light, especially by the eyes.
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| Presbyopia | loss of accommodation for near vision; poor near-vision due to the natural aging process.
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| Retinopathy | any disease of the retina.
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| Astigmatism | a refractive error causing light rays entering the eye to be focused irregularly on the retina due to an abnormally shaped cornea or lens.
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| Blepharitis | inflammation of the eyelid margins
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| Blepharoptosis | Occurs when the eyelid partially or entirely covers the eye as a result of a weakened muscle.
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| Color Blindness | inability to sharply perceive visual colors.
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| Cataract | lens in the eye becomes cloudy
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| Chalazion | cyst or nodule on the eyelid
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| Corneal Abrasion | disruption of the cornea's surface epithelium caused by an eyelash, a small foreign body, contact lenses, or a scratch from a fingernail.
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| Diabetic Retinopathy | Occurs as a consequence of long-term or poorly controlled diabetes mellitus
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| Exophthalmia | abnormal protrusion of the eyeballs
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| Glaucoma | ocular disorders identified as a group due to the increase in intraocular pressure.
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| Hordeolum (stye) | bacterial infection of an eyelash follicle or sebaceous gland originating in the redness, swelling, and mild tenderness in the margin of the eyelash.
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| Hyperopia | refective error in which the lens of the eye cannot focus on an image actively.
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| Keratits | corneal inflammation caused by a microorganism, trauma to the eye.
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| Myopia | a refractive error in which the lens of the eye cannot focus on an image accurately.
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| Presbyopia | refractive error occurring after the age of 40, when the lens of the eyes cannot focus on an image due to its decreasing loss of elasticity.
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| Pterygium | an irregular growth developing as a fold in the conjunctiva.
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| Scleritis | presence of inflammation in the white, outside covering of the eyeball.
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| Strabismus | failure of the eyes to gaze in the same direction due to weakness in the muscles controlling the position of one eye.
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| Keratoplasty | the translplantation of corneal tissue from one human eye to another to improve vision in the affected eye; also called corneal grafting.
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