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70 Cards in this Set
- Front
- Back
blepharo
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pertaining to the eyelid
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core
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central part; in the eye, the pupil
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cyclo
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pertaining to the ciliary body
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dacryo
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pertaining to tears
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gonio
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pertaining to the iridocorneal angle
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hyal
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pertaining to the vitreous
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iridic
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pertaining to the iris
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papilla
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pertaining to the optic nerve head
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phaco
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pertaining to the lens
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abducens nerve
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innervates the lateral rectus
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abduction
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rotation of the eye laterally
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acuity
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ability of the eye to see fine detail
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adnexa
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adjacent structures to the eye, e.g. eyelids or extraocular mm
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blepharitis
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inflammation of the eyelid
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blepharospasm
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involuntary contraction of the orbicularis muscle
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bombe (of iris)
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forward displacement of the iris caused by blockage of the pupil, that prevents forward flow of aqueous humor
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bupthalamos
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enlargement of the eye due to glaucoma
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cycloplegia
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paralysis of accomidation
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distichiasis
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reduplication of the eyelashes; the inner lashes originate from the meibomian gland orfices and may irritate the cornea
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dystrophy
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inherited degenerative change, e.g., the cornea and retina may be affected by a number of different types of dystrophy
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ectropion
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abnormal outward placement of the eyelid
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endophthalmitis
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inflammation of the entire interior of the eye
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entropion
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abnormal inward displacement of the lid margin toward the eye
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epiphora
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tearing due to blockage of the lacrimal drainage apparatus or overproduction of tears
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episclera
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loose CT on the scleral surface
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episcleritis
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inflammation of the episclera
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evisceration
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removal of the contents within the eye with retention of the sclera and orbit
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floaters
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opacities within the vitreous space that cause moving shadows on the retina
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fundus (ocular)
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internal surface of the posterior eye, including the optic disc, the retina and the choroidal or scleral details visible through the retina
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goniolens
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special type of contact lens that permits examinaiton of the periphery of the anterior chamber
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hyphema
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blood in the anterior chamber of the eye
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hypopyon
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accumulation of neutrophils and fibrin in the anterior chamber
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keratectomy
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removal of a superficial portion of the cornea
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keratic precipitates
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inflammatory deposits on the posterior surface of the cornea
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keratitis
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inflammation of the cornea
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lacrimation
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excessive tearing
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lagopthalmos
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failure of the eyelids to close completely
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leukoria
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whit pupil caused by opaque tissue in the eye
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leukoma
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dense scar of the cornea
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limbus
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junction of the cornea and sclera
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meibomian glands
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sebaceous glands within the tarsal plates that open on the lid margin
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microphthalmia
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abnormally small eyeball
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nystagmus
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involuntary oscillation of the eyes
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opthalmoplegia
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paralysis of the eye muscles
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ora ciliaris retina
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the anterior boundary of the retina with the ciliary body
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pannus
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superficial vascular scar
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panopthalmitis
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generalized inflammation of all tunics of the eye
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papilledema
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swelling of the optic disc visible opthalmoscopically; due to increased intracranial pressue or interference with axonplasmic flow
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phacoanaphylaxis
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intraocular reaction resulting from sensitivity to lens material
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periorbita
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periosteum lining the orbit
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phacoemulsification
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surgical procedure of breaking the lens up with ultrasound and aspiration of the fragments
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ptosis
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drooping of the upper elelid due to deficient innervation or muscular strength
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retinopathy
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noninflammatory disease of the retina
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retrobulbar
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behind the eye
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strabismus
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failure of straightness of the eyes
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subluxation of the lens
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partial displacement of the lens from its normal position
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synechia
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adhesion of the iris to the lens or cornea
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tarsorrhaphy
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partial or complete fusion of the lids for the purpose of protecting the cornea from exposure
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Tenon's capsule
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connective tissue or fascial sheath encircling the eyeball posteriorly
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trichiasis
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aberrant lashes that turn against the cornea
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trabeculum
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meshwork in the anterior chamber angle through which the aqueous humor flows to leave the eye
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uvea
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vascular and pigmented layer of the eye, including the choroid, ciliary body and iris
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xerophthalmia
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dryness of the eyes
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zonule
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system of fibrils that suspends the lens
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In a cat, if drugs are necessary for opthalmic examination, which drug is ideal?
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Ketamine. 10mg/kg. produces dilated pupuls, eyes straight ahead, and immobilization.
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In horses, how are exams routinely done?
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With or without ocular pain, sedation and palpebral nerve akenesia is routinely used for a thorough examination. Xylazine, and block of palpebral nerve of the auriculopalpebral nerve (branch of the VIIth cranial nerve)
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When is slight anisocoria physiologic?
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In cases of heterochromia. (Lighter eye will be slightly mydriatic).
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How long does Atropine last in the normal dog eye?
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3 days!
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How long does Atropine last in a normal horse eye?
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5-11 days!
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What is the preferred mydriatic for diagnostics in the dog and cat?
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Tropicamide 1% (dog) or 0.5% cats
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